Improper access control in Paid Membership Subscriptions
Priority LOW 30CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- 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-284.
Summary
The Paid Membership Subscriptions WordPress plugin before 3.0.9 does not verify that the amount and currency reported by the payment provider match the pending payment before completing it, allowing unauthenticated users to obtain a paid membership by paying an arbitrary lower amount.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Paid Membership Subscriptions (Unknown): 3.0.9
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 3.0.9 | 3.0.9 | Patch available | CNA |
- Paid Membership Subscriptions VendorUnknown Affected before 3.0.9 Fixed in 3.0.9 Patch available CNA
Remediation
- Fix · CNA Paid Membership Subscriptions (Unknown) Fixed in 3.0.9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90922
- 2026-10-03 Alias added: GHSA-3hfm-x4wx-j7vx
References
Sources
- CVE-2026-90922 · CVE Program
- CVE-2026-90922 · NVD
- FIRST EPSS
- GHSA-3hfm-x4wx-j7vx · GitHub Advisory Database · CC BY 4.0
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