All vulnerabilities
CVE-2026-66666

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= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability

Automattic WordPressApplications & CMS
Open in ThreatlineRecord JSON
CVSS
6.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.29%Chance of exploitation activity in the next 30 days, higher than 20% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published6 Oct 2026Updated 6 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 6

  • WordPressaffected: 7.1 through 7.1.2CVE List
  • WordPressaffected: 7.0 through 7.0.6CVE List
  • WordPressaffected: 6.9 through 6.9.9CVE List
  • WordPressaffected: 6.8 through 6.8.10CVE List
  • WordPressaffected: 6.7 through 6.7.9CVE List
  • WordPressaffected: 6.6 through 6.6.9CVE List

References 3