CVE-2021-30458: Wikimedia Parsoid vulnerable to Cross-site Scripting (XSS)
(updated )
An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a tag, bypassing sanitization steps, and potentially allowing for XSS.
References
- github.com/FriendsOfPHP/security-advisories/blob/master/wikimedia/parsoid/CVE-2021-30458.yaml
- github.com/advisories/GHSA-5pqx-77vf-85rw
- github.com/wikimedia/mediawiki-services-parsoid
- nvd.nist.gov/vuln/detail/CVE-2021-30458
- phabricator.wikimedia.org/T279451
- security.gentoo.org/glsa/202107-40
- www.mediawiki.org/wiki/Parsoid
Code Behaviors & Features
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