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  4. CVE 2026 66614 wordpress seo plugin by squirrly seo plugin 1422
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Back to active CVEs
High · CVSS 7.1CVE-2026-66614

WordPress SEO Plugin by Squirrly SEO plugin <= 14.2.2 - Cross Site Scripting (XSS) vulnerabilityCVE-2026-66614

Answer in brief

CVE-2026-66614 records a High severity (CVSS 7.1) vulnerability in WordPress SEO Plugin by Squirrly SEO plugin <= 14.2.2 - Cross Site Scripting (XSS) vulnerability. The current sources do not mark it as known exploited. The current feed maps SEO Squirrly/SEO Plugin by Squirrly SEO (generic), SEO Squirrly/squirrly-seo (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 20, 2026Updated Aug 20, 2026Source checked Oct 4, 2026First seen by HOL Aug 20, 2026Material review Aug 20, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps SEO Squirrly/SEO Plugin by Squirrly SEO (generic), SEO Squirrly/squirrly-seo (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
SEO Squirrly/SEO Plugin by Squirrly SEOgenericn/aNot reported
SEO Squirrly/squirrly-seogeneric>=n/a <=14.2.2Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for SEO Squirrly/SEO Plugin by Squirrly SEO, SEO Squirrly/squirrly-seo.
  2. 2Review the reported fix. Source-reported solution: Update the WordPress SEO Plugin by Squirrly SEO Plugin to the latest available version (at least 14.2.3).

Evidence timeline and material changes

  1. Published upstream

    Aug 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 20, 2026

Sources and claim methodology

  • Source referencepatchstack.com
Upstream source description

Unauthenticated Cross Site Scripting (XSS) in SEO Plugin by Squirrly SEO <= 14.2.2 versions.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress TranslatePress plugin <= 3.3.6 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.11.1 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • Simple Shopping Cart < 5.2.6 - Admin+ Stored XSS via PayPal API CredentialsAlso CWE-79
  • WWBN AVideo 12.4 through 29.2.0 Stored XSS via Double-Encoded Video TitleAlso CWE-79
  • WWBN AVideo through 29.2.0 Stored XSS via trailer1 in YouPHPFlix2 TemplatesAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 4, 2026
References
1 linked source
Open source record