| Name | CVE-2026-66666 |
| Description | Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data. This issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1150336 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| wordpress (PTS) | bookworm, bookworm (security) | 6.1.9+dfsg1-0+deb12u1 | vulnerable |
| trixie | 6.8.7+dfsg1-0+deb13u1 | vulnerable | |
| trixie (security) | 6.8.10+dfsg1-0+deb13u1 | vulnerable | |
| forky, sid | 7.1.3+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 | (unstable) | 7.1.3+dfsg1-1 | 1150336 |
https://wordpress.org/news/2026/10/wordpress-7-1-3-maintenance-and-security-release/