CVE-2021-30458
MEDIUM6.1EPSS 0.37%Wikimedia Parsoid vulnerable to Cross-site Scripting (XSS)
Published: 5/24/2022Modified: 6/7/2024
Also known as:GHSA-5pqx-77vf-85rw
Description
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.
Affected packages (2)
- Debian/mediawikifrom 0, < 1:1.35.2-1
- Packagist/wikimedia/parsoid>= 0.12, < 0.12.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-30458
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-30458
- PATCHhttps://github.com/wikimedia/mediawiki-services-parsoid
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/wikimedia/parsoid/CVE-2021-30458.yaml
- WEBhttps://phabricator.wikimedia.org/T279451
- WEBhttps://security.gentoo.org/glsa/202107-40
- WEBhttps://www.mediawiki.org/wiki/Parsoid