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

Weakness classification (CWE)

References

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.