| Name | CVE-2020-28037 |
| Description | is_blog_installed in wp-includes/functions.php in WordPress before 5.5.2 improperly determines whether WordPress is already installed, which might allow an attacker to perform a new installation, leading to remote code execution (as well as a denial of service for the old installation). |
| 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-2429-1, DSA-4784-1, ELA-400-1 |
| Debian Bugs | 973562 |
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 | 5.0.15+dfsg1-0+deb10u1 | fixed | |
| buster (security) | 5.0.21+dfsg1-0+deb10u1 | fixed | |
| bullseye (security), bullseye | 5.7.8+dfsg1-0+deb11u2 | fixed | |
| bookworm | 6.1.1+dfsg1-1 | fixed | |
| trixie, sid | 6.5+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 | jessie | 4.1.32+dfsg-0+deb8u1 | ELA-400-1 | ||
| wordpress | source | stretch | 4.7.19+dfsg-1+deb9u1 | DLA-2429-1 | ||
| wordpress | source | buster | 5.0.11+dfsg1-0+deb10u1 | DSA-4784-1 | ||
| wordpress | source | (unstable) | 5.5.3+dfsg1-1 | 973562 |
https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096ca0c76503d6da07c
https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
https://wpscan.com/vulnerability/10450