CVE-2026-90951

Paid Member Subscriptions < 3.1.0 - Unauthenticated In-Flight Checkout State Deletion via pms_process_payment

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

Paid Membership Subscriptions

CVSS v3.1 CNA

3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.15% chance of exploitation in the next 30 days, 4th percentile

Published

2026-09-23

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/bf740af6-3674-461e-83f0-22bd5c5b3378/

References

• CVE Record
• NVD entry