CVE Catalog

CVE-2026-14516

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.29%

21th percentile - higher than 21% of all known CVEs

Summary

The Bookly plugin for WordPress (up to version 27.5) is vulnerable to time-based SQL injection via the 'staff_ids' parameter. An unauthenticated attacker can append additional SQL queries to existing ones, allowing extraction of sensitive database information. A two-request chain is required, and lack of CSRF/nonce validation enables cross-site attacks.

Risk Assessment

An attacker can steal sensitive data from the WordPress database, such as user passwords or customer data, without authentication.

Recommendation

Immediately update the Bookly plugin to the latest version that fixes this vulnerability. Consider implementing additional security measures like a Web Application Firewall (WAF).

Related vulnerabilities

Original NVD description (English source)

The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to time-based SQL Injection via the 'staff_ids' parameter in all versions up to, and including, 27.5 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. Exploitation requires a two-request chain: an attacker first calls the unauthenticated bookly_get_form_id action to seed a booking session carrying malicious staff_ids values, then triggers bookly_render_time to cause the tainted array to reach the vulnerable query; CSRF/nonce validation is absent on both endpoints, meaning this chain can be initiated cross-site.

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