What’s Vulnerable › Vulnerabilities

CVE-2026-22713: Stored XSS through edit summaries in GrowthExperiments

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-09 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• The Wikimedia Foundation Mediawiki - GrowthExperiments Extension: 1.39, 1.43, 1.44, 1.45

References

• https://gerrit.wikimedia.org/r/q/Iff01940a163ed87ec52f3a64ba6b2dbfa2759df3
• https://phabricator.wikimedia.org/T411144
• https://phabricator.wikimedia.org/T411144

Get alerted when CVE-2026-22713 or the next vulnerability affects your stack