CVE-2026-66594

HIGH 8.5

WordPress WordPress Persistent Login plugin <= 3.1.0 - SQL Injection vulnerability

CVSS Score

8.5

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-89
Vendor	lukeseager
Product	wordpress persistent login
Published	Aug 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

Low

Affected Versions

lukeseager / WordPress Persistent Login

n/a ≤ 3.1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/wp-persistent-login/vulnerability/wordpress-wordpress-persistent-login-plugin-3-1-0-sql-injection-vulnerability?_s_id=cve

Credits

dutafi | Patchstack Bug Bounty Program