VDB
CVE-2020-35479
CVE-2020-35479
PUBLISHED
CVSS 6.099999904632568 MEDIUM
MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. Language::translateBlockExpiry itself does not escape in all code paths. For example, the return of Language::userTimeAndDate is is always unsafe for HTML in a month value. This affects MediaWiki 1.12.0 and later.
EPSS 1.47% · 71.9th 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
1.47%
71.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | mediawiki | 1:1.27.4-3, 1:1.27.4-1, 1:1.27.3-1 |
| Ubuntu:24.04:LTS | mediawiki | 0, 1:1.39.5-1, 1:1.39.7-1 |
| Ubuntu:20.04:LTS | mediawiki | 1:1.31.5-1, 1:1.31.5-1ubuntu1, 0 |
| Ubuntu:25.10 | mediawiki | 0, 1:1.43.3+dfsg-1, 1:1.43.1+dfsg-2 |
| Ubuntu:22.04:LTS | mediawiki | 1:1.35.5-1ubuntu3, 1:1.35.6-1, 1:1.35.3-1 |
Timeline
- Dec 18, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Jan 9, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-35479 third-party-advisory
- https://phabricator.wikimedia.org/T268938 third-party-advisory
- https://lists.wikimedia.org/pipermail/wikitech-l/2020-December/094126.html third-party-advisory
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-35479 third-party-advisory