CVE-2026-39840— CSS injection in multiple Cargo display formats
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I. Basic Information for CVE-2026-39840
Vulnerability Information
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Vulnerability Title
CSS injection in multiple Cargo display formats
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows XSS Targeting Non-Script Elements.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
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 - 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，该漏洞源于网页生成期间输入中和不当，可能导致针对非脚本元素的跨站脚本攻击。
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-2026-39840
| # | 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-2026-39837 | Stored XSS through the dynamic table format in Cargo | |
| CVE-2026-39839 | Stored XSS through URLs in Cargo's map format | |
| 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-2026-39839
Stored XSS through URLs in Cargo's map format - CVE-2026-39838
ProofreadPage improperly sanitizes multiline styles using Sa - CVE-2026-5762
ReportIncident DiscussionTools integration causes slow reque
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-2026-39840
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