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CVE-2026-66666

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= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability

MEDIUM
6.9
CVSS Score
Published: October 6, 2026 at 05:48 PM UTC
Updated: October 6, 2026 at 09:17 PM UTC
1 product affected across 1 vendorWordPress

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress wordpress allows Retrieve Embedded Sensitive Data.This issue affects WordPress: from n/a through 7.1.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WordPress· Automattic
95%
6.6 ≤ v ≤ 6.6.96.7 ≤ v ≤ 6.7.96.8 ≤ v ≤ 6.8.106.9 ≤ v ≤ 6.9.97.0 ≤ v ≤ 7.0.67.1 ≤ v ≤ 7.1.26.66.76.86.97.07.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

VDB Entry
Source: cverecord
https://patchstack.com/database/wordpress/wordpress/wordpress/vulnerability/wordpress-wordpress-wordpress-7-1-2-sensitive-data-exposure-vulnerability?_s_id=cve
Release Notes
Source: cverecord
https://wordpress.org/news/2026/10/wordpress-7-1-3-maintenance-and-security-release/
Related
Source: cverecord
https://patchstack.com/articles/wordpress-7-1-3-security-release?_s_id=cve

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMPatchstack
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-201

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