CVE-2026-10820
CVE-2026-10820 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- Published:
- Last modified:
Description
The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content WordPress plugin before 4.16.17 does not verify that the user performing a subscription action owns the targeted subscription, allowing any authenticated user (Subscriber+) to cancel other users' active subscriptions via an Insecure Direct Object Reference.
Frequently asked questions
- What is CVE-2026-10820?
- The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content WordPress plugin before 4.16.17 does not verify that the user performing a subscription action owns the targeted subscription, allowing any authenticated user (Subscriber+) to cancel other users' active subscriptions via an Insecure Direct Object Reference.
- How severe is CVE-2026-10820?
- CVE-2026-10820 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2026-10820 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-10820?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-10820 published?
- CVE-2026-10820 was published on 2026-06-27 and last updated on 2026-06-29.