CVE-2026-15931
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductSimple Membership
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Simple Membership4.7.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Simple Membership | v < 4.7.8 | 4.7.8 |
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