CVE-2026-22713 Stored XSS through edit summaries in GrowthExperiments
Attackers can inject malicious scripts via edit summaries in the GrowthExperiments extension, potentially compromising user sessions.
- 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-2026-22713?
CVE-2026-22713 is a low-severity cross-site scripting vulnerability in Mediawiki - GrowthExperiments Extension, published on 9 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 - GrowthExperiments Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - GrowthExperiments Extension: 1.45, 1.44, 1.43, 1.39.
Weakness: CWE-79
Which versions are affected by CVE-2026-22713?
It affects 1 product.
Products include Growth Growthexperiments.
How do I fix CVE-2026-22713?
No fix has been published for CVE-2026-22713 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-2026-22713 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-22713 exists.
Sources
Also known as GHSA-972g-439m-qvrv.