What’s Vulnerable › Vulnerabilities
CVE-2026-15047: s2Member < 260805 - Contributor+ Stored XSS via Shortcode
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-10 · updated 2026-08-26
- Weakness: CWE-79
Description
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
- s2Member: before 260805 — fixed in 260805
How to fix
Upgrade to a fixed version: s2Member 260805. Check the vendor advisory for mitigations.
References
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