Subscribers can take over other members' subscriptions
Paid Membership Subscriptions before 3.0.8 changes a subscription through its checkout flow without verifying that the targeted subscription belongs to the current user. A Subscriber can supply another member's subscription identifier and overwrite its plan, status and expiration. The public advisory does not disclose the checkout endpoint, identifier parameter, update fields or ownership-check function.
- Component
- Paid Membership Subscriptions
- Plugin slug
paid-membership-subscriptions- Affected
- < 3.0.8
- Safe version
3.0.8- Published
- Aug 04, 2026
This CVE was published Aug 04, 2026 and is one of 3 known issues for this plugin.
Update, patch or deactivate.
Update Paid Membership Subscriptions to 3.0.8 or later. Review plan, status and expiration changes made by low-privilege accounts and restore affected memberships from trusted billing or subscription records.
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 Paid Membership Subscriptions WordPress plugin before 3.0.8 does not verify that the subscription being modified through its change-subscription checkout belongs to the current user, allowing any authenticated user with Subscriber-level access and above to take over another member's subscription and overwrite its plan, status and expiration.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L