Vulnerability identifier: #VU31006
Vulnerability risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MediaWiki
Web applications /
CMS
Vendor: MediaWiki.org
Description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Wikimedia MediaWiki 1.30.0 through 1.32.1 has XSS. Loading user JavaScript from a non-existent account allows anyone to create the account, and perform XSS on users loading that script. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
Mitigation
Install update from vendor's website.
Vulnerable software versions
MediaWiki: 1.32.0 - 1.32.1
External links
http://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
http://phabricator.wikimedia.org/T207603
http://seclists.org/bugtraq/2019/Jun/12
http://www.debian.org/security/2019/dsa-4460
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.