CVE-2026-39936— Stored XSS in Score due to usage of non-reserved data attributes
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I. Basic Information for CVE-2026-39936
Vulnerability Information
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Vulnerability Title
Stored XSS in Score due to usage of non-reserved data attributes
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Score Extension allows Cross-Site Scripting (XSS). The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
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 Score Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki Score Extension是MediaWiki开源的一个乐谱渲染扩展组件。 MediaWiki Score Extension存在安全漏洞，该漏洞源于网页生成期间输入中和不当，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 - Score Extension | 1.43.7 | - |
II. Public POCs for CVE-2026-39936
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · The Wikimedia Foundation · 2026-04-07 · 6 CVEs total
| CVE-2026-22711 | Stored XSS through system messages in WikiLove | |
| CVE-2026-39937 | Global vanishing does not completely remove user email | |
| CVE-2026-39934 | Growth Experiments ReassignMenteesJob runs as an infinite loop | |
| CVE-2026-39933 | Multiple XSS vulnerabilities in GlobalWatchlist | |
| CVE-2026-39935 | XSS-via-i18n in localised wiki names |
IV. Related Vulnerabilities
Same vendor: The Wikimedia Foundation
- CVE-2026-39935
XSS-via-i18n in localised wiki names - CVE-2026-39934
Growth Experiments ReassignMenteesJob runs as an infinite lo - CVE-2026-39933
Multiple XSS vulnerabilities in GlobalWatchlist - CVE-2026-39937
Global vanishing does not completely remove user email - CVE-2026-22711
Stored XSS through system messages in WikiLove
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2026-39936
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