CVE-2020-35479: XSS
First published: Fri Dec 18 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/mediawiki | 1:1.31.16-1+deb10u2 1:1.31.16-1+deb10u6 1:1.35.11-1~deb11u1 1:1.35.13-1~deb11u1 1:1.39.4-1~deb12u1 1:1.39.5-1~deb12u1 1:1.39.5-1 | |
| MediaWiki MediaWiki | >=1.12.0<1.35.1 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Fedoraproject Fedora | =33 |
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Reference Links
- https://phabricator.wikimedia.org/T268938
- https://lists.wikimedia.org/pipermail/wikitech-l/2020-December/094126.html
- https://security-tracker.debian.org/tracker/CVE-2020-35479
- https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html
- https://www.debian.org/security/2020/dsa-4816
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/
- collector/security-tracker-debian
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/mediawiki
- canonical/mediawiki mediawiki
- version/mediawiki mediawiki/1.12.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33