WordPress security changelog
HIGH CVE-2026-1667 Deferred

GEO Plugin by Squirrly SEO: Cross-site scripting

GEO Plugin by Squirrly SEO is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 14.0.0.

CVE / CNA score 7.2 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
GEO Plugin by Squirrly SEO
Plugin slug
seo-plugin-by-squirrly-seo
Affected
<= 14.0.0
Safe version
> 14.0.0
Published
Jul 10, 2026
Weakness
CWE-862 — Missing Authorization

This CVE was published Jul 10, 2026 and is one of 6 known issues for this plugin.

Update, patch or deactivate.

Update GEO Plugin by Squirrly SEO to a release after 14.0.0, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Primary and upstream sources