AUGUST 5, 2026
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Case File

CVE-2021-31554

MEDIUM · CVSS 5.4 EPSS 0.49%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-22 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.4. See the original NVD description below for full technical details.

CVE
CVE-2021-31554
Severity
MEDIUM
CVSS
5.4
EPSS
0.49%

Original NVD Description

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It improperly handled account blocks for certain automatically created MediaWiki user accounts, thus allowing nefarious users to remain unblocked.

Related CVEs

Other vulnerabilities affecting the same vendor(s)