CVE-2026-54220 Cross-Site Request Forgery in UBB.threads
Attackers can trick authenticated users into performing unintended actions in UBB.threads due to missing CSRF protections.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-54220?
CVE-2026-54220 is a high-severity vulnerability in UBB.threads, published on 18 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
uBB.threads is vulnerable to a Cross-Site Request Forgery (CSRF) due to a lack of protective mechanisms. This allows an attacker to trick an authenticated user into executing unintended actions.
Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 7.7.5 but may also affect other versions.
Weakness: CWE-352
Which versions are affected by CVE-2026-54220?
How do I fix CVE-2026-54220?
No fix has been published for CVE-2026-54220 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-54220 being exploited?
There is no known exploitation of CVE-2026-54220 in the wild and no public exploit code.
Sources
Also known as GHSA-f336-f4qw-pgx2.