| Name | CVE-2020-35475 |
| Description | In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS can happen when a user visits Special:UserRights but does not have rights to change all userrights, and the table on the left side has unchangeable groups in it. (The right column with the changeable groups is not affected and is escaped correctly.) |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | 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 | (not affected) | |||
| mediawiki | source | buster | 1:1.31.12-1~deb10u1 | DSA-4816-1 | ||
| mediawiki | source | (unstable) | 1:1.35.1-1 |
[stretch] - mediawiki <not-affected> (Introduced in 1.29)
https://phabricator.wikimedia.org/T268917
https://lists.wikimedia.org/pipermail/wikitech-l/2020-December/094126.html