CVE-2016-20084 Details
Description
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.
A privilege escalation vulnerability allowing unauthenticated attackers to modify calendar settings and inject persistent cross-site scripting (XSS) payloads has been identified in WordPress Appointment Booking Calendar version 1.1.24. This vulnerability arises from the 'ict' and 'ics' options or the calendar 'name' parameter via GET requests, allowing the execution of arbitrary scripts when the calendar is accessed in the administration interface.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 15, 2026CISA-ADP
Assessed Jun 15, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.exploit-db.com/exploits/39341 | [email protected] | Broken LinkExploit |
| https://www.vulncheck.com/advisories/wordpress-appointment-booking-calendar-privilege-escalation-xss | [email protected] | AdvisoryBundle |
| http://wordpress.dwbooster.com/calendars/booking-calendar-contact-form | [email protected] | ProductVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Booking Calendar Contact | <= 1.1.24 (semver) |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | New CVE Received | [email protected] |
Volerion