CVE-2026-22714 i18n XSS, DoS and config SQLI in Monaco
Attackers can inject malicious scripts causing XSS and DoS in the MediaWiki Monaco Skin, requiring users to upgrade to patched versions.
- 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-2026-22714?
CVE-2026-22714 is a low-severity cross-site scripting vulnerability in The Wikimedia Foundation Mediawiki - Monaco Skin, published on 8 Jan 2026. 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
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Monaco Skin allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Monaco Skin: 1.45, 1.44, 1.43, 1.39.
Weakness: CWE-79
Which versions are affected by CVE-2026-22714?
How do I fix CVE-2026-22714?
No fix has been published for CVE-2026-22714 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-2026-22714 being exploited?
There is no known exploitation of CVE-2026-22714 in the wild and no public exploit code.
Sources
Also known as GHSA-g8v8-86v5-jrqm.