Paid Member Subscriptions < 3.1.0 - Unauthenticated In-Flight Checkout State Deletion via pms_process_payment
Priority LOW 17CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00242 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Paid Membership Subscriptions (Unknown): 3.1.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Paid Membership Subscriptions | before 3.1.0 | 3.1.0 | Patch available | CNA |
- Paid Membership Subscriptions VendorUnknown Affected before 3.1.0 Fixed in 3.1.0 Patch available CNA
Remediation
- Fix · CNA Paid Membership Subscriptions (Unknown) Fixed in 3.1.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Paid Membership Subscriptions 3.1.0
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-61814 Paid Member Subscriptions < 3.1.0 - Unauthenticated reCAPTCHA Bypass via Registration FormPriority LOW 30
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90951
- 2026-10-03 Alias added: GHSA-rxfw-g454-gj22
References
Sources
- CVE-2026-90951 · CVE Program
- CVE-2026-90951 · NVD
- FIRST EPSS
- GHSA-rxfw-g454-gj22 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences