User Registration lets Subscribers cancel another user's email change
User Registration & Membership before 5.2.5 does not verify ownership when cancelling a pending email change. A Subscriber can cancel another user's in-progress change, including an administrator's.
- Component
- User Registration & Membership
- Plugin slug
user-registration- Affected
- < 5.2.5
- Safe version
5.2.5- Published
- Aug 28, 2026
This CVE was published Aug 28, 2026 and is one of 49 known issues for this plugin.
Update, patch or deactivate.
Update User Registration & Membership to 5.2.5 or later and review pending-email-change activity for unauthorized cancellations.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
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 User Registration & Membership WordPress plugin before 5.2.5 does not verify that the account whose pending email change is being cancelled belongs to the user making the request, allowing authenticated users with Subscriber-level access and above to cancel any other user's in-progress email change, including an administrator's.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N