Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo… (CVE-2026-103049)
A reflected cross-site scripting (XSS) vulnerability exists in the Wikimedia Foundation's Mediawiki Cargo extension before version 1.46.1. This vulnerability is due to improper neutralization of input during web page generation, which can allow an attacker to inject malicious scripts into web pages. No CVSS score is provided for this vulnerability.
AI Analysis
Technical Summary
The Cargo extension for Mediawiki contains a reflected XSS vulnerability caused by improper input neutralization during web page generation. This flaw allows an attacker to inject malicious scripts that are reflected back to users. The issue affects all versions of the Cargo extension before 1.46.1.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser when visiting a crafted page, potentially leading to session hijacking, defacement, or other malicious actions. However, no known exploits are reported in the wild at this time.
Mitigation Recommendations
Upgrade the Cargo extension to version 1.46.1 or later, where this vulnerability has been fixed. No other mitigation guidance is provided.
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo… (CVE-2026-103049)
Description
A reflected cross-site scripting (XSS) vulnerability exists in the Wikimedia Foundation's Mediawiki Cargo extension before version 1.46.1. This vulnerability is due to improper neutralization of input during web page generation, which can allow an attacker to inject malicious scripts into web pages. No CVSS score is provided for this vulnerability.
Affected software
pkg:github/wikimedia/extensions/CargoRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Cargo extension for Mediawiki contains a reflected XSS vulnerability caused by improper input neutralization during web page generation. This flaw allows an attacker to inject malicious scripts that are reflected back to users. The issue affects all versions of the Cargo extension before 1.46.1.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser when visiting a crafted page, potentially leading to session hijacking, defacement, or other malicious actions. However, no known exploits are reported in the wild at this time.
Mitigation Recommendations
Upgrade the Cargo extension to version 1.46.1 or later, where this vulnerability has been fixed. No other mitigation guidance is provided.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wp5j-232x-fmpv
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-103049"]
- State
- PUBLISHED
Threat ID: 6abc5d43680226ef6899ba53
Added to database: 09/30/2026, 00:52:19 UTC
Last enriched: 09/30/2026, 01:21:49 UTC
Last updated: 09/30/2026, 03:31:44 UTC
Views: 6
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