CVE-2026-5513
HighCVSS 7.2Exploitation Probability (EPSS)
Low risk17th percentile - higher than 17% of all known CVEs
Summary
The Bookly plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) via the 'bookly-customer-full-name' cookie in versions up to and including 27.2 due to insufficient input sanitization and output escaping. Attackers can inject arbitrary web scripts that will execute when a user accesses the injected page.
Risk Assessment
This vulnerability poses a risk to users who may be exposed to the execution of malicious code, potentially leading to data theft or session hijacking. However, it requires the 'Remember personal information in cookies' setting to be enabled.
Recommendation
It is recommended to update the Bookly plugin to the latest version and disable the 'Remember personal information in cookies' option to minimize the risk of attack.
Original NVD description (English source)
The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'bookly-customer-full-name' cookie in versions up to, and including, 27.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires 'Remember personal information in cookies' setting to be enabled (disabled by default).