CVE-2026-22710— Stored XSS through autocomment system messages in Wikibase
Quick assessment
Affected
The Wikimedia Foundation Mediawiki - Wikibase 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 - Wikibase Extension是Mediawiki开源的一个数据库扩展。 Mediawiki - Wikibase 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。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-22710
Vulnerability Information
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Vulnerability Title
Stored XSS through autocomment system messages in Wikibase
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 - Wikibase Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Wikibase 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:N/SC:L/SI:L/SA:N
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 - Wikibase Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mediawiki - Wikibase Extension是Mediawiki开源的一个数据库扩展。 Mediawiki - Wikibase 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 - Wikibase Extension | 1.45 | - |
|
II. Public POCs for CVE-2026-22710
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-22710 (1)
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V. Comments for CVE-2026-22710
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