CVE-2026-25144 Talishar has a Stored XSS which can lead to data exfiltration & user impersonation
Attackers can inject malicious scripts into the in-game chat to steal user data and impersonate players.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25144?
CVE-2026-25144 is a medium-severity cross-site scripting vulnerability in Talishar, published on 2 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Talishar is a fan-made Flesh and Blood project. A Stored XSS exists in the chat in-game system. The playerID parameter in SubmitChat.php and is saved without sanitization and executed whenever a user view the current page game. This vulnerability is fixed by 09dd00e5452e3cd998eb1406a88e5b0fa868e6b4.
Weakness: CWE-79
Which versions are affected by CVE-2026-25144?
How do I fix CVE-2026-25144?
No fix has been published for CVE-2026-25144 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-25144 being exploited?
There is no known exploitation of CVE-2026-25144 in the wild and no public exploit code.
Sources
Also known as GHSA-rrr4-h2pc-57g6.