GHSA-5pqx-77vf-85rw
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Summary: Wikimedia Parsoid vulnerable to Cross-site Scripting (XSS)
Details: 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 <meta> tag, bypassing sanitization steps, and potentially allowing for XSS.
References: https://nvd.nist.gov/vuln/detail/CVE-2021-30458, https://github.com/FriendsOfPHP/security-advisories/blob/master/wikimedia/parsoid/CVE-2021-30458.yaml, https://github.com/wikimedia/mediawiki-services-parsoid, https://phabricator.wikimedia.org/T279451, https://security.gentoo.org/glsa/202107-40, https://www.mediawiki.org/wiki/Parsoid
Affected packages
Package
Name: wikimedia/parsoid
Purl: pkg:composer/wikimedia/parsoid
Affected ranges
Type: ECOSYSTEM
Events:
