CVE-2016-20084
HighCVSS 7.2Exploitation Probability (EPSS)
Low risk15th percentile - higher than 15% of all known CVEs
Summary
The WordPress appointment-booking-calendar plugin version 1.1.24 contains multiple privilege escalation vulnerabilities that allow unauthenticated attackers to modify calendar settings and inject persistent XSS payloads through the admin.php page parameters.
Risk Assessment
Attackers can inject malicious JavaScript, leading to the execution of arbitrary scripts in the administration interface, potentially resulting in data theft or takeover of the administrator account.
Recommendation
It is recommended to update the plugin to the latest version and review and secure parameters passed in GET requests.
Original NVD description (English source)
WordPress appointment-booking-calendar 1.1.24 contains multiple privilege escalation vulnerabilities that allow unauthenticated attackers to modify calendar settings and inject persistent cross-site scripting payloads through the admin.php page parameters. Attackers can inject malicious JavaScript into the 'ict' and 'ics' options or the calendar 'name' parameter via GET requests to execute arbitrary scripts when the calendar is displayed or accessed in the administration interface.