Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Refreshed… (CVE-2026-103045)
CVE-2026-103045 is a stored cross-site scripting (XSS) vulnerability in the Refreshed skin of The Wikimedia Foundation's Mediawiki software. It involves improper neutralization of input during web page generation, allowing malicious scripts to be stored and executed in users' browsers. This vulnerability affects versions before 1.46.1, 1.45.5, and 1.43.10 of the Refreshed skin. No CVSS score or patch information is currently provided.
AI Analysis
Technical Summary
The Wikimedia Foundation's Mediawiki Refreshed skin contains a stored cross-site scripting vulnerability caused by improper input neutralization during web page generation. This flaw allows attackers to inject malicious scripts that are stored and later executed in the context of users viewing affected pages. The vulnerability affects versions of the Refreshed skin prior to 1.43.10, 1.45.5, and 1.46.1.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of users viewing the affected Mediawiki pages, potentially leading to session hijacking, defacement, or other malicious actions. However, there is no indication of known exploits in the wild at this time.
Mitigation Recommendations
The vulnerability affects versions before 1.43.10, 1.45.5, and 1.46.1 of the Refreshed skin. Users should upgrade to version 1.43.10, 1.45.5, 1.46.1 or later to remediate this issue. No vendor advisory content was provided to confirm patch status, so users should verify with official Wikimedia Foundation sources for the latest remediation guidance.
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Refreshed… (CVE-2026-103045)
Description
CVE-2026-103045 is a stored cross-site scripting (XSS) vulnerability in the Refreshed skin of The Wikimedia Foundation's Mediawiki software. It involves improper neutralization of input during web page generation, allowing malicious scripts to be stored and executed in users' browsers. This vulnerability affects versions before 1.46.1, 1.45.5, and 1.43.10 of the Refreshed skin. No CVSS score or patch information is currently provided.
Affected software
pkg:github/wikimedia/skins/RefreshedRun 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 Wikimedia Foundation's Mediawiki Refreshed skin contains a stored cross-site scripting vulnerability caused by improper input neutralization during web page generation. This flaw allows attackers to inject malicious scripts that are stored and later executed in the context of users viewing affected pages. The vulnerability affects versions of the Refreshed skin prior to 1.43.10, 1.45.5, and 1.46.1.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of users viewing the affected Mediawiki pages, potentially leading to session hijacking, defacement, or other malicious actions. However, there is no indication of known exploits in the wild at this time.
Mitigation Recommendations
The vulnerability affects versions before 1.43.10, 1.45.5, and 1.46.1 of the Refreshed skin. Users should upgrade to version 1.43.10, 1.45.5, 1.46.1 or later to remediate this issue. No vendor advisory content was provided to confirm patch status, so users should verify with official Wikimedia Foundation sources for the latest remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-7j9q-53xp-5mqq
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-103045"]
- State
- PUBLISHED
Threat ID: 6abc5d46680226ef6899ba74
Added to database: 09/30/2026, 00:52:22 UTC
Last enriched: 09/30/2026, 01:07:24 UTC
Last updated: 09/30/2026, 03:31:46 UTC
Views: 10
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