XSS in Wpshouter Switch Cta Box
CVE-2026-4088
The Switch CTA Box plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wppw_cta_box' shortcode in all versions up to, and including, 1.1. This is due to insufficient input sanitization and output escaping on user-sup…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (8.2th 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
- Wpshouter Switch Cta Box — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/19a3fc90-b81c-4451-80e0-cead9…
- plugins.trac.wordpress.org/browser/switch-cta-box/trunk/inc/box_display_templat…
- plugins.trac.wordpress.org/browser/switch-cta-box/tags/1.1/inc/box_display_temp…
- plugins.trac.wordpress.org/browser/switch-cta-box/trunk/inc/box_display_templat…
- plugins.trac.wordpress.org/browser/switch-cta-box/tags/1.1/inc/box_display_temp…
- plugins.trac.wordpress.org/browser/switch-cta-box/trunk/inc/box_display_templat…
- plugins.trac.wordpress.org/browser/switch-cta-box/tags/1.1/inc/box_display_temp…
- plugins.trac.wordpress.org/browser/switch-cta-box/trunk/inc/shortcode_setup.php
- plugins.trac.wordpress.org/browser/switch-cta-box/tags/1.1/inc/shortcode_setup…
Frequently asked questions
- What is CVE-2026-4088?
- CVE-2026-4088 is a medium-severity vulnerability in Wpshouter Switch Cta Box, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-22.
- How severe is CVE-2026-4088?
- Medium severity. CVSS v3 base score is 6.4 out of 10.