CVEvulnerability
CVE-2021-30458
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-04-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
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 configurations
• wikimedia parsoid (< 0.11.1)
• wikimedia parsoid (>= 0.12.0 < 0.12.2)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://phabricator.wikimedia.org/T279451 Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/202107-40 Third Party Advisory
- https://www.mediawiki.org/wiki/Parsoid Vendor Advisory
- https://phabricator.wikimedia.org/T279451 Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/202107-40 Third Party Advisory
- https://www.mediawiki.org/wiki/Parsoid Vendor Advisory