CVE-2026-22713 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Growth	Growthexperiments	1.39

Related Weaknesses (CWE)

CWE-79

References

https://gerrit.wikimedia.org/r/q/Iff01940a163ed87ec52f3a64ba6b2dbfa2759df3Patch
https://phabricator.wikimedia.org/T411144ExploitIssue Tracking
https://phabricator.wikimedia.org/T411144ExploitIssue Tracking

FAQ

What is CVE-2026-22713?

CVE-2026-22713 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Cross-Site Scriptin...

How severe is CVE-2026-22713?

CVE-2026-22713 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-22713?

Check the references section above for vendor advisories and patch information. Affected products include: Growth Growthexperiments.