CVE-2025-32078 XSSes and potential RCE in Special:VersionCompare
Attackers can inject malicious scripts via the Version Compare extension, potentially leading to remote code execution or session hijacking.
- 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-2025-32078?
CVE-2025-32078 is a medium-severity cross-site scripting vulnerability in The Wikimedia Foundation Mediawiki - Version Compare Extension, published on 11 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - Version Compare Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Version Compare Extension: from 1.39 through 1.43.
Weakness: CWE-116
Which versions are affected by CVE-2025-32078?
How do I fix CVE-2025-32078?
No fix has been published for CVE-2025-32078 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-2025-32078 being exploited?
There is no known exploitation of CVE-2025-32078 in the wild and no public exploit code.
Sources
Also known as GHSA-fc6v-27mr-w8pc.