XSS in Zealopensource Smart Appointment & Booking
CVE-2026-0742
The Smart Appointment & Booking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the saab_save_form_data AJAX action in all versions up to, and including, 1.0.7 due to insufficient input sanitization and output escapin…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (4.6th 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
- Zealopensource Smart Appointment & Booking — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/bf332c0d-5481-412d-b44a-b3de3…
- plugins.trac.wordpress.org/browser/smart-appointment-booking/trunk/inc/admin/cl…
- plugins.trac.wordpress.org/browser/smart-appointment-booking/tags/1.0.7/inc/adm…
- plugins.trac.wordpress.org/browser/smart-appointment-booking/trunk/inc/front/cl…
- plugins.trac.wordpress.org/browser/smart-appointment-booking/tags/1.0.7/inc/fro…
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-0742?
- CVE-2026-0742 is a medium-severity vulnerability in Zealopensource Smart Appointment & Booking, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-04.
- How severe is CVE-2026-0742?
- Medium severity. CVSS v3 base score is 6.4 out of 10.