| Name | CVE-2020-35478 |
| Description | MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. MediaWiki:blanknamespace potentially can be output as raw HTML with SCRIPT tags via LogFormatter::makePageLink(). This affects MediaWiki 1.33.0 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) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mediawiki (PTS) | bullseye | 1:1.35.13-1+deb11u2 | fixed |
| bullseye (security) | 1:1.35.13-1+deb11u3 | fixed |
| bookworm, bookworm (security) | 1:1.39.10-1~deb12u1 | fixed |
| trixie, sid | 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 | (not affected) | | | |
| mediawiki | source | buster | (not affected) | | | |
| mediawiki | source | (unstable) | 1:1.35.1-1 | | | |
Notes
[buster] - mediawiki <not-affected> (Introduced in 1.33)
[stretch] - mediawiki <not-affected> (Introduced in 1.33)
https://phabricator.wikimedia.org/T268938
https://lists.wikimedia.org/pipermail/wikitech-l/2020-December/094126.html