CVE-2026-11964
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
The User Registration & Membership WordPress plugin before 5.2.2 does not verify the authenticity of incoming payment-provider webhook notifications before acting on them, allowing unauthenticated attackers to forge a payment-approved event and activate a paid membership subscription without completing a real payment.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Unknown | User Registration & Membership | 0 < 5.2.2 | affected |
Weaknesses
- CWE-287 Improper Authentication
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: total
References
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