CVE-2025-23749 WordPress mybb Last Topics plugin <= 1.0 - CSRF to Stored XSS vulnerability

High 7.1 Published Updated

Attackers can inject malicious scripts via CSRF, leading to stored XSS and potential account takeover in MyBB Last Topics plugin.

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-2025-23749?

CVE-2025-23749 is a high-severity cross-site scripting vulnerability in progpars.net mybb Last Topics, published on 16 Jan 2025. 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

Cross-Site Request Forgery (CSRF) vulnerability in progpars.net mybb Last Topics mybb-last-topics allows Stored XSS.This issue affects mybb Last Topics: from n/a through <= 1.0.

Weakness: CWE-352

Which versions are affected by CVE-2025-23749?

How do I fix CVE-2025-23749?

No fix has been published for CVE-2025-23749 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-2025-23749 being exploited?

There is no known exploitation of CVE-2025-23749 in the wild and no public exploit code.

Sources

Also known as GHSA-j2r9-4mmp-765h.

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