CVE-2026-66666
WordPress Core <= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 6, 2026
- Updated
- Oct 6, 2026
- Reserved
- Jul 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | Patchstack |
Weaknesses
- CWE-201 Insertion of Sensitive Information Into Sent Data
Affected Products
| Product | Versions |
|---|---|
WordPressAutomattic |
|
References
- https://patchstack.com/database/wordpress/wordpress/wordpress/vulnerability/wordpress-wordpress-wordpress-7-1-2-sensitive-data-exposure-vulnerability?_s_id=cvevdb-entry
- https://wordpress.org/news/2026/10/wordpress-7-1-3-maintenance-and-security-release/release-notes
- https://patchstack.com/articles/wordpress-7-1-3-security-release?_s_id=cverelated
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