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

Published Jan 9, 2026
·
Updated

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 Software

5 affected components
The Wikimedia Foundation Mediawiki - GrowthExperiments Extension>=1.39<1.46
Growth Growthexperiments Mediawiki=1.39
Growth Growthexperiments Mediawiki=1.43
Growth Growthexperiments Mediawiki=1.44
Growth Growthexperiments Mediawiki=1.45

Remediation

Patch Available

https://gerrit.wikimedia.org/r/q/Iff01940a163ed87ec52f3a64ba6b2dbfa2759df3

Event History

Jan 9, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·12:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-22713?

The severity of CVE-2026-22713 is classified as high due to its potential for Cross-Site Scripting (XSS) attacks.

2

How do I fix CVE-2026-22713?

To fix CVE-2026-22713, update the Mediawiki - GrowthExperiments Extension to a version later than 1.46.

3

What software is affected by CVE-2026-22713?

CVE-2026-22713 affects the Mediawiki - GrowthExperiments Extension versions 1.39 to 1.45.

4

What type of vulnerability is CVE-2026-22713?

CVE-2026-22713 is an Improper Neutralization of Input During Web Page Generation vulnerability, commonly known as Cross-Site Scripting (XSS).

5

What are the potential impacts of CVE-2026-22713?

The potential impacts of CVE-2026-22713 include unauthorized access to user sessions and exposure of sensitive information through XSS attacks.

Company

Resources

Contact

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