| Name | CVE-2020-35479 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2504-1, DSA-4816-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| mediawiki (PTS) | stretch (security) | 1:1.27.7-1+deb9u11 | fixed |
| stretch (lts), stretch | 1:1.27.7-1+deb9u13 | fixed | |
| buster (security), buster, buster (lts) | 1:1.31.16-1+deb10u8 | fixed | |
| bullseye | 1:1.35.13-1+deb11u2 | fixed | |
| bullseye (security) | 1:1.35.13-1+deb11u3 | fixed | |
| bookworm (security), bookworm | 1:1.39.10-1~deb12u1 | fixed | |
| sid, trixie | 1:1.39.10-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| mediawiki | source | stretch | 1:1.27.7-1~deb9u7 | DLA-2504-1 | ||
| mediawiki | source | buster | 1:1.31.12-1~deb10u1 | DSA-4816-1 | ||
| mediawiki | source | (unstable) | 1:1.35.1-1 |
https://phabricator.wikimedia.org/T268938
https://lists.wikimedia.org/pipermail/wikitech-l/2020-December/094126.html