Skip to content
OpenAdvisories
Medium · 6.9 CVE-2026-66666 EUVD-2026-93555GHSA-vxpf-4h6r-qjx4

WordPress Core <= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability

Published Oct 6, 2026 · Updated Oct 6, 2026 · Assigned by Patchstack

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.

Affected products

VendorProductAffectedFixed
Automattic WordPress 7.1 – ≤ 7.1.2, 7.0 – ≤ 7.0.6, 6.9 – ≤ 6.9.9, 6.8 – ≤ 6.8.10, 6.7 – ≤ 6.7.9, 6.6 – ≤ 6.6.9 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 wordpress 7.1.3+dfsg1-1 —
Debian 13 wordpress 6.8.12+dfsg1-0+deb13u1 —
Debian 12 wordpress No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 wordpress No fix yet —
Ubuntu 26.04 LTS wordpress No fix yet —
Ubuntu 24.04 LTS wordpress No fix yet —
Ubuntu 22.04 LTS wordpress No fix yet —
Ubuntu 20.04 LTS wordpress No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS wordpress No fix yet —
Ubuntu 16.04 LTS wordpress No fix yet —

Advisories 1

References