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CVE-2026-0670— Stored XSS through a system message and a user-provided parameter in ProofreadPage

EPSS 0.06% · P20
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I. Basic Information for CVE-2026-0670

Vulnerability Information
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Vulnerability Title
Stored XSS through a system message and a user-provided parameter in ProofreadPage
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - ProofreadPage Extension: 1.45, 1.44, 1.43, 1.39.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
MediaWiki - ProofreadPage Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki - ProofreadPage Extension是MediaWiki开源的一个文档对照插件。 MediaWiki - ProofreadPage 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

VendorProductAffected VersionsCPESubscribe
Wikimedia FoundationMediaWiki - ProofreadPage Extension 1.45 -

II. Public POCs for CVE-2026-0670

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III. Intelligence Information for CVE-2026-0670

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Same Patch Batch · Wikimedia Foundation · 2026-01-07 · 3 CVEs total

CVE-2026-0669Path Traversal vulnerability in CSS extension on certain web servers
CVE-2026-0668VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input

IV. Related Vulnerabilities

Same product: MediaWiki - ProofreadPage Extension
Same vendor: Wikimedia Foundation
Same weakness: CWE-79

V. Comments for CVE-2026-0670

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