XSS in Jhdscript Zem Stl
CVE-2026-4081
The ZeM STL plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the [zemstl] shortcode in all versions up to and including 1.0. This is due to insufficient input sanitization and output escaping on user-supplied shortcode…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.001 (17.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Jhdscript Zem Stl — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-4081?
- CVE-2026-4081 is a medium-severity vulnerability in Jhdscript Zem Stl, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-06-02.
- How severe is CVE-2026-4081?
- Medium severity. CVSS v3 base score is 6.4 out of 10.