CVE-2026-39839— Stored XSS through URLs in Cargo's map format
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I. Basic Information for CVE-2026-39839
Vulnerability Information
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Vulnerability Title
Stored XSS through URLs in Cargo's map format
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
MediaWiki - Cargo Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki - Cargo Extension是MediaWiki开源的一个查询和存储数据的插件。 Mediawiki - Cargo Extension 3.8.7之前版本存在安全漏洞，该漏洞源于对脚本相关HTML标签中和不当，可能导致存储型跨站脚本攻击。
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 |
|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Cargo Extension | 0 ~ 3.8.7 | - |
II. Public POCs for CVE-2026-39839
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Wikimedia Foundation · 2026-04-07 · 6 CVEs total
| CVE-2026-39841 | Stored XSS through list fields on Cargo's page values and Special:CargoTables | |
| CVE-2026-39838 | ProofreadPage improperly sanitizes multiline styles using Sanitizer::checkCSS | |
| CVE-2026-39840 | CSS injection in multiple Cargo display formats | |
| CVE-2026-39837 | Stored XSS through the dynamic table format in Cargo | |
| CVE-2026-5762 | ReportIncident DiscussionTools integration causes slow requests |
IV. Related Vulnerabilities
Same vendor: Wikimedia Foundation
- CVE-2026-39837
Stored XSS through the dynamic table format in Cargo - CVE-2026-39841
Stored XSS through list fields on Cargo's page values and Sp - CVE-2026-39840
CSS injection in multiple Cargo display formats - CVE-2026-39838
ProofreadPage improperly sanitizes multiline styles using Sa - CVE-2026-5762
ReportIncident DiscussionTools integration causes slow reque
Same weakness: CWE-80
- CVE-2021-47948
WordPress GetPaid Plugin 2.4.6 HTML Injection via Help Text - CVE-2026-42030
MapServer: Improper Neutralization of Script-Related HTML Ta - CVE-2026-44264
Weblate is vulnerable to XSS via crafted Markdown - CVE-2026-6002
HTML Injection in DivvyDrive Information Technologies' Divvy - CVE-2025-59854
HCL DFXAnalytics is affected by an Insecure Security Header
V. Comments for CVE-2026-39839
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