WordPress comment feed exposes comments on private posts
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-201.
Summary
WordPress from 6.6 through 6.6.9, from 6.7 through 6.7.9, from 6.8 through 6.8.10, from 6.9 through 6.9.9, from 7.0 through 7.0.6 and from 7.1 through 7.1.2 is affected. The flaw (CWE-201) causes the comment feed to include sensitive data from comments on private and unpublished posts. An unauthenticated remote attacker can retrieve this embedded data without user interaction.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| 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 | — | No fix listed | CNA |
- WordPress VendorAutomattic Affected 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 — No fix listed CNA
Remediation
The sources list no fixed version for WordPress.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-06 Threatist record created from CVE-2026-66666
- 2026-10-06 Alias added: GHSA-vxpf-4h6r-qjx4
- 2026-10-07 Affected versions changed · CNA
- 2026-10-07 2 new references · CNA
References
Other 3
- https://patchstack.com/database/wordpress/wordpress/wordpress/vulnerability/wordpress-wordpress-wordpress-7-1-2-sensitive-data-exposure-vulnerability?_s_id=cve
- https://wordpress.org/news/2026/10/wordpress-7-1-3-maintenance-and-security-release/
- https://patchstack.com/articles/wordpress-7-1-3-security-release?_s_id=cve
More Automattic vulnerabilities
- TI-2023-12700 Improper authentication in WooCommerce Payments WordPress Plugin CVSS 3.1CRITICAL 9.8
- TI-2023-03453 Prototype Pollution in automattic/mongoose CVSS 3.1CRITICAL 9.8
- TI-2024-06106 Jetpack Boost < 3.4.7 - Admin+ SSRF CVSS 3.1CRITICAL 9.1
- TI-2013-01782 WordPress W3 Total Cache Plugin 0.9.2.8 has a Remote PHP Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-02368 Prototype Pollution in automattic/mongoose CVSS 3.1CRITICAL 9.8
- TI-2023-02806 Jetpack < 12.1.1 - Author+ Arbitrary File Manipulation via API CVSS 3.1HIGH 8.8
Sources
- CVE-2026-66666 · CVE Program
- CVE-2026-66666 · NVD
- FIRST EPSS
- GHSA-vxpf-4h6r-qjx4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences