CVE-2026-15047: Unknown s2member

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

The s2Member WordPress plugin before 260805 does not escape several shortcode attributes before outputting them inside an inline script context, allowing users with contributor-level access to inject arbitrary JavaScript that executes when a viewer opens the post (stored XSS).

Affected products

  • Unknown s2member: before 260805 (fixed in 260805)

Published 2026-08-10. Last modified 2026-08-26.