WordPress plugin
WP Membership <= 1.2.3 — Privilege Escalation
CVE-2015-4038Published · Updated Action summary
Affected: ≤1.2.3No patch available
What to do until a fix ships- Severity
- High8.8
- CVSS
- 8.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-287 Improper Authentication
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
WP Membership wp-membership
- Affected≤ 1.2.3
- PatchedNo fix yet
No patched version available.
You are affected if you run ≤ 1.2.3. No fixed version has been released.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP Membership.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch WP Membership to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Panagiotis Vagenas.
The WP Membership plugin 1.2.3 for WordPress allows remote authenticated users to gain administrator privileges via an iv_membership_update_user_settings action to wp-admin/admin-ajax.php.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in WP Membership
All 7| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Missing Authorization ≤1.6.4No patch available | CVE-2025-69193 | |
| High8.8 | Authenticated (Subscriber+) Privilege Escalation ≤1.6.4No patch available | CVE-2025-69292 | |
| Medium4.3 | Missing Authorization to Authenticated (Subscriber+) Settings Update ≤1.6.3Update to 1.6.4 | CVE-2025-54717 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload ≤1.6.2Update to 1.6.3 | CVE-2024-10547 | |
| High8.8 | Authenticated (Subscriber+) Privilege Escalation <1.5.7Update to 1.5.7 | CVE-2020-36666 |
- Medium5.3Missing Authorization
≤1.6.4No patch available
- High8.8Authenticated (Subscriber+) Privilege Escalation
≤1.6.4No patch available
- Medium4.3Missing Authorization to Authenticated (Subscriber+) Settings Update
≤1.6.3Update to 1.6.4
- Critical9.8Unauthenticated Arbitrary File Upload
≤1.6.2Update to 1.6.3
- High8.8Authenticated (Subscriber+) Privilege Escalation
<1.5.7Update to 1.5.7
Timeline
CVE published
Severity high, CVSS 8.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.