CVE-2021-36125

PoC —

CVSS 3.1

7.5 high

EPSS

1%p62

Published

Jul 2, 2021 (Jul 2, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalRenameRequest page is vulnerable to infinite loops and denial of service attacks when a user's current username is beyond an arbitrary maximum configuration value (MaxNameChars).

Vendors: mediawiki
Products: mediawiki
Weakness: CWE-835
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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