| Name | CVE-2021-30458 |
| Description | An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS. |
| 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 | 1:1.39.12-1~deb12u1 | fixed |
| bookworm (security) | 1:1.39.13-1~deb12u1 | fixed |
| sid, trixie | 1:1.43.3+dfsg-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) | 1:1.35.2-1 | | | |
Notes
[buster] - mediawiki <not-affected> (Only applies to 1.35 and later)
[stretch] - mediawiki <not-affected> (Only applies to 1.35 and later)
https://phabricator.wikimedia.org/T279451