CVE-2026-22713

MEDIUM

Mediawiki GrowthExperiments Extension 1.39, 1.43-1.45 - Cross-Site Scripting

Title source: llm

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.

References (2)

Core 2

Core References

Patch

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

Exploit, Issue Tracking

https://phabricator.wikimedia.org/T411144

Scores

CVSS v3 5.4

EPSS 0.0017

EPSS Percentile 6.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (4)

growth/growthexperiments 1.39

growth/growthexperiments 1.43

growth/growthexperiments 1.44

growth/growthexperiments 1.45

Published Jan 09, 2026

Tracked Since Feb 18, 2026