Skip to main content

WordPress Persistent Login EUVDEUVD-2026-63337

| CVE-2026-66594 HIGH
SQL Injection (CWE-89)
2026-08-20 Patchstack GHSA-994g-fvfg-cwf4
8.5
CVSS 3.1 · Vendor: Patchstack
Share

Severity by source

Vendor (Patchstack) PRIMARY
8.5 HIGH
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
vuln.today AI
8.5 HIGH

Subscriber authentication (PR:L) confirmed by title; SQL read-only injection justifies C:H and I:N; scope change reflects database-wide exposure beyond the plugin.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:H/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Aug 20, 2026 - 12:37 vuln.today
CVE Published
Aug 20, 2026 - 12:07 cve.org
HIGH 8.5

DescriptionCVE.org

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

AnalysisAI

SQL injection in WordPress Persistent Login plugin (versions 3.1.0 and earlier) can be triggered by a subscriber-level authenticated user, allowing extraction of sensitive database records including user credentials and site configuration data. The vulnerability carries a scope change in the CVSS assessment (S:C), indicating that injected queries can reach database content beyond the plugin's immediate context. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Persist
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires a valid WordPress subscriber account on a site running Persistent Login plugin version 3.1.0 or earlier. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.5 score is driven by network accessibility (AV:N), low attack complexity (AC:L), subscriber-level authentication (PR:L), no required user interaction (UI:N), a scope change (S:C), and high confidentiality impact (C:H). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update WordPress Persistent Login to a version beyond 3.1.0 once a patched release is published; the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/wp-persistent-login/vulnerability/wordpress-wordpress-persistent-login-plugin-3-1-0-sql-injection-vulnerability?_s_id=cve should be monitored for confirmed fix version availability, as no exact patched version number is confirmed in the currently available data. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all WordPress installations running Persistent Login plugin versions 3.1.0 or earlier and audit subscriber account listings. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2023-6553 CRITICAL POC
9.8 Dec 15

The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1

CVE-2024-5084 CRITICAL POC
9.8 May 23

The Hash Form - Drag & Drop Form Builder plugin for WordPress is vulnerable to arbitrary file uploads due to missing fil

CVE-2024-44000 CRITICAL POC
9.8 Oct 20

Authentication bypass in the LiteSpeed Cache WordPress plugin (versions prior to 6.5.0.1) allows unauthenticated remote

CVE-2020-36847 CRITICAL POC
9.8 Jul 12

The Simple File List plugin for WordPress through version 4.2.2 contains an unauthenticated remote code execution vulner

CVE-2025-27007 CRITICAL POC
9.8 May 01

The SureTriggers WordPress plugin through version 1.0.82 contains a privilege escalation vulnerability that allows unaut

CVE-2016-1209 CRITICAL POC
9.8 May 14

The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via

CVE-2024-4443 CRITICAL POC
9.8 May 22

The Business Directory Plugin - Easy Listing Directories for WordPress plugin for WordPress is vulnerable to time-based

CVE-2024-1698 CRITICAL POC
9.8 Feb 27

SQL injection in the NotificationX WordPress plugin (versions up to and including 2.8.2) allows unauthenticated remote a

CVE-2023-6875 CRITICAL POC
9.8 Jan 11

The POST SMTP Mailer - Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress i

CVE-2024-1512 CRITICAL POC
9.8 Feb 17

The MasterStudy LMS WordPress Plugin - for Online Courses and Education plugin for WordPress is vulnerable to union base

CVE-2024-4295 CRITICAL POC
9.8 Jun 05

The Email Subscribers by Icegram Express plugin for WordPress is vulnerable to SQL Injection via the ‘hash’ parameter in

CVE-2024-50498 CRITICAL POC
10.0 Oct 28

Remote code execution in the WP Query Console WordPress plugin (versions up to and including 1.0) by Ajit Bohra allows u

Share

EUVD-2026-63337 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy