An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is     insecurely using message text to build options names for an HTML multi-select field. The relevant code     should use escaped() instead of text(). (CVE-2020-25815)

Note that Nessus relies on the presence of the package as reported by the vendor.

https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-Septembe r/000263.html

The 1.34.x series is now end-of-life and the 1.35.x series is a LTS release.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Multiple security issues were discovered in MediaWiki, a website engine for collaborative work: SpecialUserRights could leak whether a user existed or not, multiple code paths lacked HTML sanitisation allowing for cross-site scripting and TOTP validation applied insufficient rate limiting against brute force attempts.

ID	Name	Product	Family	Severity
248752	Linux Distros Unpatched Vulnerability : CVE-2020-25815	Nessus	Misc.	medium
144140	Fedora 33 : mediawiki / php-oojs-oojs-ui / php-wikimedia-assert / etc (2020-a4802c53d9)	Nessus	Fedora Local Security Checks	high
140811	Debian DSA-4767-1 : mediawiki - security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2020-25815

medium

Tenable Plugins

medium

high

high