Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-31552

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It incorrectly executed certain rules related to blocking accounts after account creation. Such rules would allow for user accounts to be created while blocking only the IP address used to create an account (and not the user account itself). Such rules could also be used by a nefarious, unprivileged user to catalog and enumerate any number of IP addresses related to these account creations.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.4%
CVSS Severity
CVSS v3 Score 5.4
CVSS v2 Score 5.5
Products affected by CVE-2021-31552


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