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Tesseract dev injects malicious code into browser to illegally DDOS the dbzer0 instance
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empireOfLove2 lemmy.dbzer0.com empireOfLove2@lemmy.dbzer0.com
Joined: 2023-12-22
Quote

FYI admins

cross-posted from: https://quokk.au/c/fediverse/p/1066667/tesseract-dev-injects-malicious-code-into-browser-to-illegally-ddos-the-dbzer0-instance

As part of the devs farewell message on their site, they have included malicious code to make each visitor sends 2,000 requests to the dbzer0 servers in an attempt to DDOS and take the instance offline.

271   Original
A404 lemmy.dbzer0.com A404@lemmy.dbzer0.com
Joined: 2026-04-11
#2 · Quote Reply

@db0@lemmy.dbzer0.com You need to see this

38
db0 Moderator db0@lemmy.dbzer0.com
Joined: 2023-06-09
#3 · Quote Reply

@db0@lemmy.dbzer0.com You need to see this

Already known and mitigated.

66
Telemachus93 slrpnk.net Telemachus93@slrpnk.net
Joined: 2023-07-03
#4 · Quote Reply

What the actual fuck? This idiot may have his braindead opinions and do to his OSS project whatever he wants (so sag I wasn't on the list), but that is just such a fucked up thing to do.

22
Minty aussie.zone minty@aussie.zone
Joined: 2026-06-04
#5 · Quote Reply

Wow lmao. This is crazy levels of petty

29
Valmond lemmy.dbzer0.com Valmond@lemmy.dbzer0.com
Joined: 2025-11-13
#6 · Quote Reply

What a loser. Tiny whiny loser.

Fabulous reaction time from db0 & team!

So who is this loser, I mean it's a tiny whiny bit illegal what he did it seems...

47
20cello lemmy.world 20cello@lemmy.world
Joined: 2025-03-07
#7 · Quote Reply

Idk what this tesseract is and at this point I'm too afraid to ask

9
cRazi_man europe.pub cRazi_man@europe.pub
Joined: 2025-06-04
#8 · Quote Reply

Gotta say, I've enjoyed this whole drama. This seems like the end of the story arc. It's been fun guys. Better than beans.

85
cRazi_man europe.pub cRazi_man@europe.pub
Joined: 2025-06-04
#9 · Quote Reply

Idk what this tesseract is and at this point I'm too afraid to ask

I wrote a quick and dirty summary for someone else.

15
adam_y lemmy.world adam_y@lemmy.world
Joined: 2023-06-27
#10 · Quote Reply

[deleted]
30
magnetosphere fedia.io magnetosphere@fedia.io
Joined: 2023-06-30
#11 · Quote Reply

Gotta say, I've enjoyed this whole drama. This seems like the end of the story arc. It's been fun guys. Better than beans.

Agreed. I usually don’t care about online drama at all, but at least this has been… amusing.

23
db0 Moderator db0@lemmy.dbzer0.com
Joined: 2023-06-09
#12 · Quote Reply

Agreed. I usually don’t care about online drama at all, but at least this has been… amusing.

The memes have been fresh!

42
Jay lemmy.ca Rocketpoweredgorilla@lemmy.ca
Joined: 2023-08-07
#13 · (edited) Quote Reply

This whole thing reminds me of the guy (Angled/LMAO) 3 years ago that was all butthurt after he got busted trying to take all the good sublemmy names, and responded by posting a bunch of disgusting stuff with alts and DOSing lemmy.world.

Edit https://lemmy.world/post/1720870

17
ggtdbz lemmy.dbzer0.com ggtdbz@lemmy.dbzer0.com
Joined: 2024-04-17
#14 · Quote Reply

Already known and mitigated.

Not to expose anything that’s best left internal, but is this something the proof of work check handles? Is it something that’s been implemented in advance? Just curious, if you can talk about it at all. I’m woefully undereducated on the actual ins and outs of the web.

14
20cello lemmy.world 20cello@lemmy.world
Joined: 2025-03-07
#15 · Quote Reply

I wrote a quick and dirty summary for someone else.

Thanks mate

6
magnetosphere fedia.io magnetosphere@fedia.io
Joined: 2023-06-30
#16 · Quote Reply

The memes have been fresh!

You deserve more credit. Thanks for bringing it to everyone’s attention!

24
db0 Moderator db0@lemmy.dbzer0.com
Joined: 2023-06-09
#17 · Quote Reply

Not to expose anything that’s best left internal, but is this something the proof of work check handles? Is it something that’s been implemented in advance? Just curious, if you can talk about it at all. I’m woefully undereducated on the actual ins and outs of the web.

For this kind of stuff you can easily ask an llm and it will give you a pretty decent rundown of mitigation tactics

7
goferking (he/him) lemmy.sdf.org goferking0@lemmy.sdf.org
Joined: 2023-08-03
#18 · Quote Reply

Gotta say, I've enjoyed this whole drama. This seems like the end of the story arc. It's been fun guys. Better than beans.

I hope it's the end but like the piefed stuff we think it's done then something else comes up.

Plus the dev/user/admin of dubvee has said a few times they're leaving only to be back soon after saying that. Hell there were two or three announcements tesseract work was stopped 🤷

12
Jerkface (any/all) lemmy.ca jerkface@lemmy.ca
Joined: 2023-06-06
#19 · Quote Reply

[deleted]

why body shame

13
ChicoSuave lemmy.world ChicoSuave@lemmy.world
Joined: 2023-08-12
#20 · Quote Reply

This whole thing reminds me of the guy (Angled/LMAO) 3 years ago that was all butthurt after he got busted trying to take all the good sublemmy names, and responded by posting a bunch of disgusting stuff with alts and DOSing lemmy.world. Edit https://lemmy.world/post/1720870

This was a blast from the past.

4
Jerkface (any/all) lemmy.ca jerkface@lemmy.ca
Joined: 2023-06-06
#21 · Quote Reply

Gotta say, I've enjoyed this whole drama. This seems like the end of the story arc. It's been fun guys. Better than beans.

I dunno, this opens the author up to a lot of consequences other people might choose to pursue.

4
cRazi_man europe.pub cRazi_man@europe.pub
Joined: 2025-06-04
#22 · Quote Reply

I hope it's the end but like the piefed stuff we think it's done then something else comes up. Plus the dev/user/admin of dubvee has said a few times they're leaving only to be back soon after saying that. Hell there were two or three announcements tesseract work was stopped 🤷

Gotta leave the door open for a next season sequel with a sneaky post credits scene.

13
TrickDacy lemmy.world TrickDacy@lemmy.world
Joined: 2023-07-27
Banned
#23 · Quote Reply

[deleted]

I'd gather that he is a massive control freak. Hard to feel sorry for him right now really but I agree it must be a sad life.

12
kittenzrulz123 lemmy.dbzer0.com kittenzrulz123@lemmy.dbzer0.com
Joined: 2025-07-31
#24 · Quote Reply

Im sure some shitlibs will still defend this

15
craftrabbit lemmy.zip craftrabbit@lemmy.zip
Joined: 2025-07-04
#25 · Quote Reply

Gotta say, I've enjoyed this whole drama. This seems like the end of the story arc. It's been fun guys. Better than beans.

Yeah, also this makes me really happy that we're on the fediverse. Turns out some part of the system is run by a strange control freak? Swiftly replace the part and everyone moves along.

52
Why is Lemmy so Racist? lemmy.world Abyssian@lemmy.world
Joined: 2026-02-13
#26 · Quote Reply

"Tesseract dev found to have world's smallest and most rancid penis."

25
KurtVonnegut mander.xyz KurtVonnegut@mander.xyz
Joined: 2024-08-28
#27 · Quote Reply

Yeah, also this makes me really happy that we're on the fediverse. Turns out some part of the system is run by a strange control freak? Swiftly replace the part and everyone moves along.

Well said.

16
KurtVonnegut mander.xyz KurtVonnegut@mander.xyz
Joined: 2024-08-28
#28 · Quote Reply

I hope it's the end but like the piefed stuff we think it's done then something else comes up. Plus the dev/user/admin of dubvee has said a few times they're leaving only to be back soon after saying that. Hell there were two or three announcements tesseract work was stopped 🤷

What is the piefed stuff?

8
naught sh.itjust.works naught@sh.itjust.works
Joined: 2023-07-03
#29 · Quote Reply

Not to expose anything that’s best left internal, but is this something the proof of work check handles? Is it something that’s been implemented in advance? Just curious, if you can talk about it at all. I’m woefully undereducated on the actual ins and outs of the web.

They can block requests from a specific origin or implement tailored rate limiting rules or disable CORS from that instance. Probably more too

9
db0 Moderator db0@lemmy.dbzer0.com
Joined: 2023-06-09
#30 · Quote Reply

dubvee.org is down

39
db0 Moderator db0@lemmy.dbzer0.com
Joined: 2023-06-09
#31 · Quote Reply

Im sure some shitlibs will still defend this

Where is @Kirk@startrek.website when you need him most?

12
atomicbocks sh.itjust.works atomicbocks@sh.itjust.works
Joined: 2025-02-16
#32 · Quote Reply

why body shame

Yeah, tiny dick is an attitude not limited to penis havers nor defined by penis size so we say “main character syndrome”.

0
Draconic NEO lemmy.dbzer0.com Draconic_NEO@lemmy.dbzer0.com
Joined: 2023-08-14
#33 · Quote Reply

It just gets worse and worse. I figured that the goodbye message he posted wouldn't be the end of it. Thankfully it seems to be down now so it's not causing harm anymore directly but still.

21
Aceticon lemmy.dbzer0.com Aceticon@lemmy.dbzer0.com
Joined: 2024-12-06
#34 · Quote Reply

Gotta say, I've enjoyed this whole drama. This seems like the end of the story arc. It's been fun guys. Better than beans.

Ironic Twist:

  • It's a Journey Of The Hero story and this part was just the initial fall of the Hero.
0
SCmSTR lemmy.blahaj.zone SCmSTR@lemmy.blahaj.zone
Joined: 2023-07-24
#35 · Quote Reply

Actual lmao

7
Aceticon lemmy.dbzer0.com Aceticon@lemmy.dbzer0.com
Joined: 2024-12-06
#36 · Quote Reply

[deleted]

Sometimes the kind of crap done by people who are selfish wankers is just that - crap - not a cry for help.

Certainly in my personal experience people who haven't actually grown up as persons to become mature adults don't actually see the problems that they repeateadly get into with everybody else because of having the emotional complexity and impulse control of toddlers as their fault, but rather as the fault of others.

There's no cry for help in their actions because they don't think they need help.

4
SkaveRat discuss.tchncs.de SkaveRat@discuss.tchncs.de
Joined: 2023-07-09
#37 · Quote Reply

Where is @Kirk@startrek.website when you need him most?

not convinced that's not a sock puppet, from all the stuff I've seen so far

8
db0 Moderator db0@lemmy.dbzer0.com
Joined: 2023-06-09
#38 · (edited) Quote Reply

not convinced that's not a sock puppet, from all the stuff I've seen so far

He kept claiming they're AP, but refused to provide proof. Not sure but as it happens, startrek.website defederated us as soon as we banned him.

16
goferking (he/him) lemmy.sdf.org goferking0@lemmy.sdf.org
Joined: 2023-08-03
#39 · Quote Reply

What is the piefed stuff?

Piefed dev doing something similar on the flagship instance, and has some odd philosophies on what should be filtered out in the code.

When people started pointing it out and asking questions called it harassment and tried to get instances to instance ban them all.

Best part was insulting everyone looking at the code if you didn't ask on their specific comm.

8
goferking (he/him) lemmy.sdf.org goferking0@lemmy.sdf.org
Joined: 2023-08-03
#40 · Quote Reply

He kept claiming they're AP, but refused to provide proof. Not sure but as it happens, startrek.website defederated us as soon as we banned him.

Huh, weird how the framing of the defedederation lines up so well to what ap and Kirk would say.

https://startrek.website/post/42709922

If you’re not familiar with how Lemmy/the Fediverse works, basically everything you read at StarTrek.website is hosted by us, even if the content originated elsewhere. That means we are responsible for everything here and we have to decide if we are comfortable boosting content from other instances.

If you’re curious, the final straw here was learning that db0 explicitly allows hosting discussions about hurting people, which needless to say goes against our instance values and we simply don’t have the manpower to moderate that volume of content incoming from their server to a degree that we feel meets our quality standards, which left defederating as the only viable option.

In keeping in line with past trends we’re announcing this because is is a larger instance and don’t want to leave any of the crew confused as to why something may be missing.

12
ggtdbz lemmy.dbzer0.com ggtdbz@lemmy.dbzer0.com
Joined: 2024-04-17
#41 · Quote Reply

For this kind of stuff you can easily ask an llm and it will give you a pretty decent rundown of mitigation tactics

Just thought it would be the cherry on top if this final outburst was automatically blocked by a mitigation measure that was already there.

3
massacre lemmy.world massacre@lemmy.world
Joined: 2023-06-21
#42 · Quote Reply

Ironic Twist: It's a Journey Of The Hero story and this part was just the initial fall of the Hero.

"doubt"

4
Aceticon lemmy.dbzer0.com Aceticon@lemmy.dbzer0.com
Joined: 2024-12-06
#43 · Quote Reply

"doubt"

Me too.

It would surely be ironic, though.

2
wyldrstallyns lemmy.dbzer0.com wyldrstallyns@lemmy.dbzer0.com
Joined: 2026-05-16
#44 · Quote Reply

"doubt"

X

2
Venia Silente lemmy.dbzer0.com veniasilente@lemmy.dbzer0.com
Joined: 2025-06-09
#45 · Quote Reply

Blegh. I made some effort to get to this instance and I'm not even on the list!

3
unwarlikeExtortion lemmy.ml unwarlikeExtortion@lemmy.ml
Joined: 2024-01-26
#46 · (edited) Quote Reply

They can block requests from a specific origin or implement tailored rate limiting rules or disable CORS from that instance. Probably more too

The problem is that this is a client side javascript-based attack - meaning your browser sends these malicious requests. So a DDOS, not "just" a regular (centralized) DOS. Anyone opening the page with javascript turned on (which is 99% of real users, however for Lemmy the statistic's surely a bit better) is an "attacker".

You can - once you know of the nature of the attack (this one's relatively simplistic), just react to any realistic-looking request and block ignore the malicious ones - in this case garbled rng output.

Rate limiting would only lead to what the attacker wants - legit users (who are unknowingly sending these malicious requests) being blocked from accessing the site.

10
picnic lemmy.dbzer0.com picnic@lemmy.dbzer0.com
Joined: 2024-07-06
#47 · Quote Reply

@db0@lemmy.dbzer0.com is Tesseract the default UI for db0? I see voyager, photon and alexandrite listed on the front page but no mention on tesseract.

2
sp3ctr4l lemmy.dbzer0.com sp3ctr4l@lemmy.dbzer0.com
Joined: 2025-04-10
#48 · Quote Reply

The memes have been fresh!

The beans have certainly flowed, sheesh.

3
db0 Moderator db0@lemmy.dbzer0.com
Joined: 2023-06-09
#49 · Quote Reply

@db0@lemmy.dbzer0.com is Tesseract the default UI for db0? I see voyager, photon and alexandrite listed on the front page but no mention on tesseract.

No it isn't. It's still there but I removed the link to it

6
picnic lemmy.dbzer0.com picnic@lemmy.dbzer0.com
Joined: 2024-07-06
#50 · Quote Reply

No it isn't. It's still there but I removed the link to it

Thanks

2
FundMECFS piefed.zip FundMECFS@piefed.zip
Joined: 2025-08-03
#51 · Quote Reply

I hope it's the end but like the piefed stuff we think it's done then something else comes up. Plus the dev/user/admin of dubvee has said a few times they're leaving only to be back soon after saying that. Hell there were two or three announcements tesseract work was stopped 🤷

Genuinely feel like we’re seeing a mental health crisis or breakdown by the dev…

3
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