CVE-2026-14848 Paid Member Subscriptions < 3.0.8 - Subscriber+ Cross-User Subscription Hijack via process_checkout
Authenticated users can hijack other members' subscriptions by modifying plans and status due to missing ownership verification in the checkout process.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14848?
CVE-2026-14848 is a medium-severity missing authorization vulnerability in Unknown Paid Membership Subscriptions, published on 4 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-284
Which versions are affected by CVE-2026-14848?
How do I fix CVE-2026-14848?
No fix has been published for CVE-2026-14848 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-14848 being exploited?
There is no known exploitation of CVE-2026-14848 in the wild and no public exploit code.
Sources
Also known as GHSA-8hc5-48cx-v7wp.