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Back to active CVEs
High · CVSS 8.5CVE-2026-66594

WordPress WordPress Persistent Login plugin <= 3.1.0 - SQL Injection vulnerabilityCVE-2026-66594

Answer in brief

CVE-2026-66594 records a High severity (CVSS 8.5) vulnerability in WordPress WordPress Persistent Login plugin <= 3.1.0 - SQL Injection vulnerability. The current sources do not mark it as known exploited. The current feed maps lukeseager/WordPress Persistent Login (generic), lukeseager/wp-persistent-login (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 8.5
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 8.5. 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 lukeseager/WordPress Persistent Login (generic), lukeseager/wp-persistent-login (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
lukeseager/WordPress Persistent Logingenericn/aNot reported
lukeseager/wp-persistent-logingeneric>=n/a <=3.1.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for lukeseager/WordPress Persistent Login, lukeseager/wp-persistent-login.
  2. 2Review the reported fix. Source-reported solution: Update the WordPress WordPress Persistent Login Plugin to the latest available version (at least 3.1.1).

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

Subscriber SQL Injection in WordPress Persistent Login <= 3.1.0 versions.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - SQL Injection vulnerabilityAlso CWE-89
  • Comsenz Discuz! Admin Medal Moderation mod.php modmedalsubmit sql injectionAlso CWE-89
  • mooSocial all-products sql injectionAlso CWE-89
  • RainyGao DocSys Database Management BaseController.java BaseController.createDBForMysql sql injectionAlso CWE-89
  • WordPress TranslatePress plugin <= 3.3.6 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem

Record context

Vulnerability class
SQL Injection
EPSS
Not reported
CWE IDs
CWE-89
Source
CVE List V5
Source checked
Oct 4, 2026
References
1 linked source
Open source record