URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the… (CVE-2026-103048)
CVE-2026-103048 is an open redirect vulnerability in The Wikimedia Foundation's Mediawiki - Collection extension. This flaw allows URL redirection to untrusted sites, potentially enabling attackers to fake the source of data. The issue affects versions before 1.46.1, 1.45.5, and 1.43.10 of the extension. No CVSS score is provided, and no known exploits are reported in the wild. The vulnerability is categorized under CWE-601.
AI Analysis
Technical Summary
The Wikimedia Foundation Mediawiki Collection extension contains a URL redirection to untrusted site vulnerability (CWE-601) identified as CVE-2026-103048. This open redirect flaw allows attackers to craft URLs that redirect users to untrusted external sites, potentially enabling phishing or other social engineering attacks by faking the source of data. The vulnerability affects versions prior to 1.46.1, 1.45.5, and 1.43.10 of the Collection extension.
Potential Impact
Successful exploitation could allow attackers to redirect users to malicious websites by leveraging the open redirect vulnerability. This can facilitate phishing attacks or trick users into trusting malicious content by faking the source URL. There is no indication of active exploitation in the wild.
Mitigation Recommendations
The vulnerability is addressed in versions 1.46.1, 1.45.5, and 1.43.10 of the Mediawiki Collection extension. Users should upgrade to these fixed versions to remediate the issue. No additional mitigation guidance is provided or required.
URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the… (CVE-2026-103048)
Description
CVE-2026-103048 is an open redirect vulnerability in The Wikimedia Foundation's Mediawiki - Collection extension. This flaw allows URL redirection to untrusted sites, potentially enabling attackers to fake the source of data. The issue affects versions before 1.46.1, 1.45.5, and 1.43.10 of the extension. No CVSS score is provided, and no known exploits are reported in the wild. The vulnerability is categorized under CWE-601.
Affected software
pkg:github/wikimedia/mediawiki-extensions-CollectionRun 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 Mediawiki Collection extension contains a URL redirection to untrusted site vulnerability (CWE-601) identified as CVE-2026-103048. This open redirect flaw allows attackers to craft URLs that redirect users to untrusted external sites, potentially enabling phishing or other social engineering attacks by faking the source of data. The vulnerability affects versions prior to 1.46.1, 1.45.5, and 1.43.10 of the Collection extension.
Potential Impact
Successful exploitation could allow attackers to redirect users to malicious websites by leveraging the open redirect vulnerability. This can facilitate phishing attacks or trick users into trusting malicious content by faking the source URL. There is no indication of active exploitation in the wild.
Mitigation Recommendations
The vulnerability is addressed in versions 1.46.1, 1.45.5, and 1.43.10 of the Mediawiki Collection extension. Users should upgrade to these fixed versions to remediate the issue. No additional mitigation guidance is provided or required.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-h46v-wcxp-q8jp
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-103048"]
- State
- PUBLISHED
Threat ID: 6abc5d43680226ef6899ba56
Added to database: 09/30/2026, 00:52:19 UTC
Last enriched: 09/30/2026, 01:21:41 UTC
Last updated: 09/30/2026, 03:38:39 UTC
Views: 5
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