Vulnerability identifier: #VU54499
Vulnerability risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MediaWiki
Web applications /
CMS
Vendor: MediaWiki.org
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions to purge pages for blocked user accounts. A remote user with a blocked account can purge pages.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
MediaWiki: 1.36.0, 1.35 - 1.35.2, 1.31.0 - 1.31.14
External links
http://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/thread/YR3X4L2CPSEJVSY543AWEO65TD6APXHP/
http://phabricator.wikimedia.org/T280226
http://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/7fc84bbd23c1205e13c7a8332ab39e6ff52ca107%5E%21/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.