CVE-2023-37302

Public Exploit

Description

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 1.01% Top 25%
Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T339111 patch exploit vendor advisory issue tracking
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933649 release notes vendor advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933650 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-37302?
CVE-2023-37302 has been scored as a medium severity vulnerability.
How to fix CVE-2023-37302?
To fix CVE-2023-37302, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-37302 being actively exploited in the wild?
It is possible that CVE-2023-37302 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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