YourMembership Single Sign On – YM SSO Login: A security weakness
YourMembership Single Sign On – YM SSO Login is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- YourMembership Single Sign On – YM SSO Login
- Plugin slug
login-with-yourmembership- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Oct 15, 2025
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Oct 15, 2025 and is one of 3 known issues for this plugin.
Update, patch or deactivate.
Update YourMembership Single Sign On – YM SSO Login to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The YourMembership Single Sign On – YM SSO Login plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'moym_display_test_attributes' function in all versions up to, and including, 1.1.7. This makes it possible for unauthenticated attackers to read the profile data of the latest SSO login.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N