CVE-2023-33564

MediumCVSS 6.1

Published: 01/08/2023(UTC)Updated: 17/06/2026(UTC)Translated: 19/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.43%

35th percentile - higher than 35% of all known CVEs

There is a Cross Site Scripting (XSS) vulnerability in the 'theme' parameter of preview.php in PHPJabbers Time Slots Booking Calendar v3.3.

An attacker can exploit this vulnerability to inject malicious JavaScript code, potentially leading to user data theft or session hijacking.

It is recommended to update to the latest version of the software and to validate and sanitize input data in application parameters.

Original NVD description (English source)

There is a Cross Site Scripting (XSS) vulnerability in the "theme" parameter of preview.php in PHPJabbers Time Slots Booking Calendar v3.3.