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TI-2026-47335 Aliases CVE-2026-66664GHSA-8x3x-hpv5-fj9r

WordPress SEO plugin by Squirrly SEO plugin <= 14.2.0 - Cross Site Scripting (XSS) vulnerability

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Unauthenticated Cross Site Scripting (XSS) in SEO Plugin by Squirrly SEO <= 14.2.0 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SEO SquirrlySEO Plugin by Squirrly SEOup to 14.2.0—No fix listedCNA
  • SEO Plugin by Squirrly SEO VendorSEO Squirrly Affected up to 14.2.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-66664
  2. 2026-10-03 Alias added: GHSA-8x3x-hpv5-fj9r

References

Other 1

  • TI-2026-63296 WordPress SEO Plugin by Squirrly SEO plugin <= 14.2.5 - PHP Object Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-37835 WordPress SEO Plugin by Squirrly SEO plugin <= 12.4.16 - Broken Access Control vulnerability CVSS 3.1HIGH 7.5
  • TI-2026-47285 WordPress SEO Plugin by Squirrly SEO plugin <= 14.2.2 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences