CVE-2023-37303

PoC —

CVSS 3.1

9.8 critical

EPSS

<1%p59

Published

Jun 30, 2023 (Jun 30, 2023)

Modified

Jun 17, 2026

Description

An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to block a user fails after a temporary browser hang and a DBQueryDisconnectedError error message.

Vendors: mediawiki
Products: mediawiki
Weakness: CWE-754
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

In the news0 stories

No ingested article mentions this CVE yet.