Auth bypass in Nextendweb Smart Slider 3
CVE-2026-4065
The Smart Slider 3 plugin for WordPress is vulnerable to unauthorized access and modification of data due to missing capability checks on multiple wp_ajax_smart-slider3 controller actions in all versions up to, and including, 3.5.1.33. The…
Vulnerability class: Broken Access Control
EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Nextendweb Smart Slider 3 — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/53a08b59-b7e0-419a-bfc3-528bc…
- plugins.trac.wordpress.org/browser/smart-slider-3/tags/3.5.1.32/Nextend/SmartSl…
- plugins.trac.wordpress.org/browser/smart-slider-3/trunk/Nextend/SmartSlider3/Pl…
- plugins.trac.wordpress.org/browser/smart-slider-3/tags/3.5.1.32/Nextend/SmartSl…
- plugins.trac.wordpress.org/browser/smart-slider-3/tags/3.5.1.32/Nextend/Framewo…
- plugins.trac.wordpress.org/browser/smart-slider-3/tags/3.5.1.32/Nextend/SmartSl…
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-4065?
- CVE-2026-4065 is a medium-severity vulnerability in Nextendweb Smart Slider 3, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-04-07.
- How severe is CVE-2026-4065?
- Medium severity. CVSS v3 base score is 5.4 out of 10.