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TI-2024-00553 Aliases CVE-2024-0597GHSA-pgjx-2qxc-c47q

SEO Plugin by Squirrly SEO <= 12.3.15 - Authenticated(Administrator+) Stored Cross-Site Scripting via plugin settings

Priority LOW 23CWE-79Published · Updated

Key facts

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

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

Summary

The SEO Plugin by Squirrly SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to and including 12.3.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00495 42nd 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
cifiSEO Plugin by Squirrly SEOup to 12.3.15—No fix listedCNA
  • SEO Plugin by Squirrly SEO Vendorcifi Affected up to 12.3.15 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:squirrly:seo_plugin_by_squirrly_seo:*:*:*:*:*:wordpress:*:*up to 12.3.15Vulnerablecifi
  • cpe:2.3:a:squirrly:seo_plugin_by_squirrly_seo:*:*:*:*:*:wordpress:*:* Versions up to 12.3.15 Vulnerable ·cifi

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-0597
  2. 2026-10-03 Alias added: GHSA-pgjx-2qxc-c47q

References

  • TI-2024-06026 SEO Plugin by Squirrly SEO <= 12.3.19 - Authenticated (Contributor+) SQL Injection via url Parameter CVSS 3.1HIGH 8.8
  • TI-2024-09739 SEO Plugin by Squirrly SEO < 12.3.21 - Editor+ Stored XSS CVSS 3.1LOW 3.5
  • TI-2025-16664 WordPress SEO Plugin by Squirrly SEO plugin <= 12.4.03 - SQL Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2024-28938 WordPress Squirrly SEO plugin <= 12.3.19 - SQL Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2022-17844 WordPress SEO Plugin by Squirrly SEO Plugin <= 12.1.10 is vulnerable to Arbitrary File Upload CVSS 3.1HIGH 8.8
  • TI-2025-18371 WordPress Squirrly SEO plugin <= 12.4.07 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
See all 12 →

Sources