CVE-2026-66712
WordPress Simple Membership plugin <= 4.7.8 - Broken Access Control vulnerability
Unauthenticated Broken Access Control in Simple Membership <= 4.7.8 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
WordPress Simple Membership plugin <= 4.7.8 - Broken Access Control vulnerability
Unauthenticated Broken Access Control in Simple Membership <= 4.7.8 versions.
- Record
CVE-2026-66712- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-53937
Unauthenticated Broken Access Control in Simple Membership <= 4.7.8 versions.
- Record
EUVD-2026-53937- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-526w-8v5p-prpw
Unauthenticated Broken Access Control in Simple Membership <= 4.7.8 versions.
Unauthenticated Broken Access Control in Simple Membership <= 4.7.8 versions.
- Record
GHSA-526w-8v5p-prpw- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
Unauthenticated Broken Access Control in Simple Membership <= 4.7.8 versions.
- Record
CVE-2026-66712- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-862
- 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-2026-66712 is a high vulnerability (CVSS 7.5) in Wp.insider Simple Membership, published August 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.