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VULNERABILITIES

CVE-2020-27957 Details

Description

The RandomGameUnit extension for MediaWiki through 1.35 was not properly escaping various title-related data. When certain varieties of games were created within MediaWiki, their names or titles could be manipulated to generate stored XSS within the RandomGameUnit extension.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gerrit.wikimedia.org/r/q/I497d2076038f75c9eb77e0e250f2af56f5bd2bfc CVEPatchVendor Advisory
https://phabricator.wikimedia.org/T266400 CVEExploitVendor Advisory
https://gerrit.wikimedia.org/r/q/I497d2076038f75c9eb77e0e250f2af56f5bd2bfc [email protected]PatchVendor Advisory
https://phabricator.wikimedia.org/T266400 [email protected]ExploitVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
mediawiki mediawiki
<= 1.35

CPE

  • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-27957
NVD Published Date:
Oct 28, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-27957 Details - Not Deferred