6.1
Medium
CVE-2026-15931 The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an…
Description
The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an unauthenticated payment approval request, nor escape it when displaying it in the administration dashboard, allowing unauthenticated attackers to store arbitrary JavaScript that executes in an administrator's session.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Simple Membership 4.7 | earliest → < 4.7.8 | 4.7.8 |
Other CVEs of Simple Membership
The 12 CVEs of Simple Membership →
CVE-2026-88785
The Simple Membership WordPress plugin before 4.8.3 does not avoid transmitting a newly registered member's plaintext…
4.7
Medium
CVE-2026-88764
The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal…
5.4
Medium
CVE-2026-14936
The Simple Membership WordPress plugin before 4.7.7 does not verify that a PayPal payment notification was sent to the…
5.3
Medium
CVE-2026-15930
The Simple Membership WordPress plugin before 4.7.8 does not verify whether user creation failed during registration…
9.4
Critical