WordPress 6.6.9

WordPress 6.6.9 has 7 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2026; all 7 are fixed as of October 2026. Their average CVSS score is 4.6, and the most serious one scores 6.4 out of 10. 2026 was the busiest year with 6 disclosures.

The most common weakness is Cross-Site Scripting, behind 1 of the records (14%). Other recurring categories include Improper Input Validation, Incorrect Authorization.

Every one of the 7 issues recorded for WordPress 6.6.9 has a vendor fix available, so running the current release closes all known holes.

4 independent researchers contributed these findings, most of them (3) reported by Anthropic.

Strategic Overview

Avg CVSSMedium

4.6/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all WordPress 6.6.9 vulnerabilities before they are exploited.

Highest severity on recordCVSS 6.4

WordPress Core 4.7.0 - 7.1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Imgur oEmbed

Read the full analysis

Vulnerability Records

7 records


2026-10-07 00:00	WordPress Core 4.7.0 - 7.1.2 - Conditional Action Hook Injection via Unregistered Post Status or Post Type WordPress 6.6.9 4.7.0 – 7.1.2 · 25 branches	`N/A`	3.3 Low	Alex Concha	Yes
2026-10-07 00:00	WordPress Core 4.7.0 - 7.1.2 - Authenticated (Contributor+) Denial of Service via Block Editor URL Details WordPress 6.6.9 4.7.0 – 7.1.2 · 25 branches	`N/A`	4.3 Medium	Anthropic	Yes
2026-10-07 00:00	WordPress Core 4.7.0 - 7.1.2 - Authenticated (Author+) Unauthorized Sticky Post Modification via REST API WordPress 6.6.9 4.7.0 – 7.1.2 · 25 branches	`N/A`	4.3 Medium	Anthropic	Yes
2026-10-07 00:00	WordPress Core 6.5.0 - 7.1.2 - Authenticated (Author+) Second-Order SQL Injection via WXR Export WordPress 6.6.9 6.5.0 – 7.1.2 · 7 branches	`N/A`	4.8 Medium	Anthropic	Yes
2026-10-07 00:00	WordPress Core 4.7.0 - 7.1.2 - Unauthenticated Sensitive Information Exposure via Comment Feeds WordPress 6.6.9 4.7.0 – 7.1.2 · 25 branches	`CVE-2026-66666`	5.3 Medium	Ananda Dhakal	Yes
2026-10-07 00:00	WordPress Core 4.7.0 - 7.1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Imgur oEmbed WordPress 6.6.9 4.7.0 – 7.1.2 · 25 branches	`N/A`	6.4 Medium	Zhengyu Liu	Yes
2012-06-20 00:00	WordPress Core - Informational < 6.8 - Weak Hashing Algorithm WordPress 6.6.9 < 6.8	`CVE-2012-6707`	3.7 Low	Anonymous	Yes

Showing 1–7 of 7 reports