CVE-2021-31552
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Mediawiki
PublishedApr 22, 2021
First seenApr 22, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediawiki mediawiki | v ≤ 1.35.2 | — |
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