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Vulnerability & Exploit Database

Vulnerabilities and exploits collected over reliable resources for security professionals and researchers to review

MediaWiki: Exposure of Resource to Wrong Sphere (CVE-2021-31552)

Severity:
6
CVSS:
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
Published:
04/22/2021
Created:
04/27/2021
Added:
04/26/2021
Modified:
04/26/2021

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.'

Solution(s)


  • mediawiki-upgrade-latest

Reference(s)

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