CVE-2023-45359: Improper Encoding (CVSS 6.5)

Description

An issue was discovered in the Vector Skin component for MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-toc-toggle-button-label is not escaped, but should be, because the line param can have markup.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-116 CWE-116

References

Other References

https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/skins/Vector/+/c17b956e0750e051ac7c1098e3ff625f0db82b2c https://phabricator.wikimedia.org/T340217

Frequently Asked Questions

What is CVE-2023-45359? +

An issue was discovered in the Vector Skin component for MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-toc-toggle-button-label is not escaped, but should be, because the line param can have markup. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-45359? +

CVE-2023-45359 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2023-45359? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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