CVE-2025-67483 Theoretical i18n XSS in mediawiki.page.preview.js when a page has multiple protection levels
An attacker can inject malicious scripts via page preview when multiple protection levels are set, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-67483?
CVE-2025-67483 is a cross-site scripting vulnerability in Mediawiki Mediawiki, published on 3 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Page.Preview.Js.
This issue affects MediaWiki: from * before 1.43.6, 1.44.3, 1.45.1.
Weakness: CWE-79
Which versions are affected by CVE-2025-67483?
It affects 1 product.
Products include Mediawiki Mediawiki.
How do I fix CVE-2025-67483?
Upgrade to a fixed version.
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-2025-67483 being exploited?
There is no known exploitation of CVE-2025-67483 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as DEBIAN-CVE-2025-67483, GHSA-jx45-gw5m-xqr3, UBUNTU-CVE-2025-67483.