VDB
CVE-2021-30458
CVE-2021-30458
PUBLISHED
CVSS 6.099999904632568 MEDIUM
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 0.98% · 59.5th percentile
Risk Scores
CVSS 3.1
6.099999904632568
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score
0.98%
59.5th 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 |
Timeline
- Apr 9, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 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