| Name | CVE-2019-20041 |
| Description | wp_kses_bad_protocol in wp-includes/kses.php in WordPress before 5.3.1 mishandles the HTML5 colon named entity, allowing attackers to bypass input sanitization, as demonstrated by the javascript: substring. |
| 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-2067-1, DSA-4599-1 |
| Debian Bugs | 946905 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| wordpress (PTS) | jessie, jessie (lts) | 4.1.35+dfsg-0+deb8u1 | fixed |
| stretch (security), stretch (lts), stretch | 4.7.23+dfsg-0+deb9u1 | fixed | |
| buster (security), buster, buster (lts) | 5.0.21+dfsg1-0+deb10u1 | fixed | |
| bullseye (security), bullseye | 5.7.11+dfsg1-0+deb11u1 | fixed | |
| bookworm (security), bookworm | 6.1.6+dfsg1-0+deb12u1 | fixed | |
| sid, trixie | 6.6.1+dfsg1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| wordpress | source | wheezy | (unfixed) | end-of-life | ||
| wordpress | source | jessie | 4.1.29+dfsg-0+deb8u1 | DLA-2067-1 | ||
| wordpress | source | stretch | 4.7.5+dfsg-2+deb9u6 | |||
| wordpress | source | buster | 5.0.4+dfsg1-1+deb10u1 | DSA-4599-1 | ||
| wordpress | source | (unstable) | 5.3.2+dfsg1-1 | 946905 |
https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/