What’s Vulnerable › Vulnerabilities
CVE-2026-90951: Paid Member Subscriptions < 3.1.0 - Unauthenticated In-Flight Checkout State Deletion via pms_process_payment
- Severity: low (CVSS 3.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-23 · updated 2026-09-23
- Weakness: CWE-863
Description
The Paid Membership Subscriptions WordPress plugin before 3.1.0 does not bind one of its unauthenticated payment actions to the requesting user, allowing someone who holds another member's in-flight payment identifier to delete that member's checkout state.
Affected products
- Paid Membership Subscriptions: before 3.1.0 — fixed in 3.1.0
How to fix
Upgrade to a fixed version: Paid Membership Subscriptions 3.1.0. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-90951 or the next vulnerability affects your stack