VDB
CVE-2021-30458
CVE-2021-30458
PUBLISHED
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.
EPSS 0.37% · 59.2th percentile
Risk Scores
EPSS Score
0.37%
59.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | mediawiki | 1:1.35.5-1, 0, 1:1.35.6-1 |
| Ubuntu:20.04:LTS | mediawiki | *, 0, 1:1.31.2-1ubuntu1 |
| Ubuntu:18.04:LTS | mediawiki | *, 0, 1:1.27.3-1 |
| Ubuntu:24.04:LTS | mediawiki | *, 1:1.39.6-1, 1:1.39.5-1 |
| Ubuntu:25.10 | mediawiki | 0, 1:1.43.3+dfsg-1, 1:1.43.1+dfsg-2 |
Exploit Intelligence
- https://phabricator.wikimedia.org/T279451 (circl)
- https://www.mediawiki.org/wiki/Parsoid (circl)
- GLSA-202107-40 (circl)
Timeline
- Apr 9, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-30458 third-party-advisory
- https://phabricator.wikimedia.org/T279451 third-party-advisory
- https://www.mediawiki.org/wiki/Parsoid third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-30458 third-party-advisory