Vulnerability identifier: #VU52032
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MediaWiki
Web applications /
CMS
Vendor: MediaWiki.org
Description
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the ApiVisualEditor. A remote user can obtain information about hidden application users.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
MediaWiki: 1.35 - 1.35.1, 1.31.0 - 1.31.12
External links
http://lists.wikimedia.org/pipermail/mediawiki-announce/2021-April/000272.html
http://phabricator.wikimedia.org/T270453
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.