CVE-2025-23078 XSS in BreadCrumbs2
Cross-site scripting vulnerability in the MediaWiki Breadcrumbs2 extension allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.
- 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-2025-23078?
CVE-2025-23078 is a medium-severity cross-site scripting vulnerability in Wikimedia Foundation Mediawiki - Breadcrumbs2 extension, published on 10 Jan 2025. An attacker can exploit it over the internet without logging in, 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 - Breadcrumbs2 extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Breadcrumbs2 extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.5, from 1.42.X before 1.42.4.
Weakness: CWE-79
Which versions are affected by CVE-2025-23078?
How do I fix CVE-2025-23078?
No fix has been published for CVE-2025-23078 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-2025-23078 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-23078 exists.
Sources
Also known as GHSA-xcc9-qmcp-vmhx.