CVE-2025-32069 Wikitext stored XSS on filepages due to dangerous WBMI serialization
Attackers can inject malicious scripts into file pages via unsafe serialization, potentially stealing user sessions or executing code in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-32069?
CVE-2025-32069 is a medium-severity cross-site scripting vulnerability in The Wikimedia Foundation Mediawiki - Wikibase Media Info Extension, published on 11 Apr 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Wikibase Media Info Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Wikibase Media Info Extension: from 1.39 through 1.43.
Weakness: CWE-20
Which versions are affected by CVE-2025-32069?
How do I fix CVE-2025-32069?
No fix has been published for CVE-2025-32069 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-2025-32069 being exploited?
There is no known exploitation of CVE-2025-32069 in the wild and no public exploit code.
Sources
Also known as GHSA-8mfv-756x-xchg.