CVE Catalog

CVE-2026-14334

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.20%

10th percentile - higher than 10% of all known CVEs

Summary

The Booking calendar, Appointment Booking System WordPress plugin through 3.2.36 does not properly sanitize uploaded SVG files, allowing unauthenticated attackers to upload a file that bypasses script-stripping and executes arbitrary JavaScript when opened, including in the session of an administrator reviewing submissions.

Risk Assessment

An attacker can hijack an administrator session or execute malicious code in the browser context, potentially leading to full compromise of the WordPress admin panel.

Recommendation

Update the plugin to the latest version that properly sanitizes SVG files, and consider additional protections such as blocking SVG uploads by unauthenticated users.

Original NVD description (English source)

The Booking calendar, Appointment Booking System WordPress plugin through 3.2.36 does not properly sanitize uploaded SVG files, allowing unauthenticated attackers to upload a file that bypasses the Booking calendar, Appointment Booking System WordPress plugin through 3.2.36's script-stripping and executes arbitrary JavaScript when the SVG is opened, including in the session of an administrator who reviews the submitted booking.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS