CVE-2026-66594
WordPress WordPress Persistent Login plugin <= 3.1.0 - SQL Injection vulnerability
Subscriber SQL Injection in WordPress Persistent Login <= 3.1.0 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
WordPress WordPress Persistent Login plugin <= 3.1.0 - SQL Injection vulnerability
Subscriber SQL Injection in WordPress Persistent Login <= 3.1.0 versions.
- Record
CVE-2026-66594- CVSS 3.1
- 8.5 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-89
- Updated
- 2026-11-02
EUVDEUVD-2026-63337
Subscriber SQL Injection in WordPress Persistent Login <= 3.1.0 versions.
- Record
EUVD-2026-63337- CVSS 3.1
- 8.5 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-994g-fvfg-cwf4
Subscriber SQL Injection in WordPress Persistent Login <= 3.1.0 versions.
Subscriber SQL Injection in WordPress Persistent Login <= 3.1.0 versions.
- Record
GHSA-994g-fvfg-cwf4- CVSS 3.1
- 8.5 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-89
- Updated
- 2026-11-02
NVD
Subscriber SQL Injection in WordPress Persistent Login <= 3.1.0 versions.
- Record
CVE-2026-66594- CVSS 3.1
- 8.5 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-66594 is a high vulnerability (CVSS 8.5) in Lukeseager Wordpress Persistent Login, published August 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.