CVE-2026-103048
Received Received - Intake

Open Redirect in MediaWiki Collection Extension

Vulnerability report for CVE-2026-103048, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: wikimedia-foundation

Description

URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data. This issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1.43.10.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
the_wikimedia_foundation mediawiki_collection_extension to 1.43.10 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-601 The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

Attack-Flow Graph

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Executive Summary

This vulnerability is an open redirect issue in the Wikimedia Foundation Mediawiki - Collection extension. It allows attackers to manipulate URLs to redirect users to untrusted sites, potentially deceiving them about the source of data.

Impact Analysis

This vulnerability could trick you into visiting malicious websites by disguising them as legitimate sources. It may lead to phishing attacks, malware downloads, or unauthorized data collection.

Compliance Impact

This vulnerability could violate GDPR by exposing users to phishing or data theft, or HIPAA by compromising protected health information through deceptive redirects. Compliance may be impacted if user data is exposed.

Mitigation Strategies

Update the Mediawiki - Collection extension to version 1.46.1, 1.45.5, or 1.43.10 or later to address the open redirect vulnerability.

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