| Name | CVE-2023-5561 |
| Description | WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack |
| 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-3658-1, DSA-5685-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| wordpress (PTS) | jessie, jessie (lts) | 4.1.35+dfsg-0+deb8u1 | vulnerable |
| stretch (security), stretch (lts), stretch | 4.7.23+dfsg-0+deb9u1 | vulnerable | |
| 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 | jessie | (unfixed) | end-of-life | ||
| wordpress | source | stretch | (unfixed) | end-of-life | ||
| wordpress | source | buster | 5.0.20+dfsg1-0+deb10u1 | DLA-3658-1 | ||
| wordpress | source | bullseye | 5.7.11+dfsg1-0+deb11u1 | DSA-5685-1 | ||
| wordpress | source | bookworm | 6.1.6+dfsg1-0+deb12u1 | DSA-5685-1 | ||
| wordpress | source | (unstable) | 6.3.2+dfsg1-1 |
https://wordpress.org/documentation/wordpress-version/version-6-3-2/
https://core.trac.wordpress.org/changeset/56840/