What is CVE-2026-1667?

CVE-2026-1667 is a high-severity vulnerability in Cifi Geo Plugin By Squirrly Seo, classified under Missing Authorization. CVSS score: 7.2/10. Published 2026-07-10.

How severe is CVE-2026-1667?

High severity. CVSS v3 base score is 7.2 out of 10.

Auth bypass in Cifi Geo Plugin By Squirrly Seo

CVE-2026-1667

The SEO Plugin by Squirrly SEO plugin for WordPress is vulnerable to Arbitrary Post Creation and Stored Cross-Site Scripting in all versions up to, and including, 14.0.0 due to a leak of an API token and insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to create arbitrary posts, and, if the Advanced Custom Fields plugin is installed and activated, inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: Broken Access Control

EPSS: 0.003 (23.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Cifi Geo Plugin By Squirrly Seo — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-1667?: CVE-2026-1667 is a high-severity vulnerability in Cifi Geo Plugin By Squirrly Seo, classified under Missing Authorization. CVSS score: 7.2/10. Published 2026-07-10.
How severe is CVE-2026-1667?: High severity. CVSS v3 base score is 7.2 out of 10.