Vulnerability identifier: #VU81441

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: N/A

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MediaWiki
Web applications / CMS

Vendor: MediaWiki.org

Description

The vulnerability allows a remote user to perform spoofing attack.

The vulnerability exists due to vector-intro-page can display an incorrect title. A remote attacker can perform a spoofing attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MediaWiki: 1.40.0 - 1.40.0 rc.0, 1.39.0 - 1.39.4, 1.38.0 - 1.38.7

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External links
http://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/thread/BRWOWACCHMYRIS7JRTT6XD44X3362MVL/

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Q & A

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.