Vulnerability · Published Oct 6, 2021 · Assigned by mitre

CVE-2021-42047

Medium 5.4

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS NVD)5.4Medium

Exploit odds (30 days)0.7%top 48.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An issue was discovered in the Growth extension in MediaWiki through 1.36.2. On any Wiki with the Mentor Dashboard feature enabled, users can login with a mentor account and trigger an XSS payload (such as alert) via Growthexperiments-mentor-dashboard-mentee-overview-no-js-fallback.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://phabricator.wikimedia.org/T289063 x_refsource_MISC
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GrowthExperiments/+/720088 x_refsource_MISC