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

Quick assessment

Affected
The Wikimedia Foundation Mediawiki - GrowthExperiments Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MediaWiki - GrowthExperiments Extension是MediaWiki开源的一个插件。 MediaWiki - GrowthExperiments Extension 1.45版本、1.44版本、1.43版本和1.39版本存在安全漏洞，该漏洞源于输入中和不当，可能导致跨站脚本攻击。

AI Predicted 5.4 Difficulty: Easy EPSS 0.19% · P8
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I. Basic Information for CVE-2026-22713

Vulnerability Information
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Vulnerability Title
Stored XSS through edit summaries in GrowthExperiments
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
MediaWiki - GrowthExperiments Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki - GrowthExperiments Extension是MediaWiki开源的一个插件。 MediaWiki - GrowthExperiments Extension 1.45版本、1.44版本、1.43版本和1.39版本存在安全漏洞，该漏洞源于输入中和不当，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
The Wikimedia Foundation Mediawiki - GrowthExperiments Extension 1.45 -

II. Public POCs for CVE-2026-22713

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III. Intelligence Information for CVE-2026-22713

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IV. Related Vulnerabilities

Same product: Mediawiki - GrowthExperiments Extension
Same vendor: The Wikimedia Foundation
Same weakness: CWE-79

V. Comments for CVE-2026-22713

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