CVE-2016-20084WordPress appointment-booking-calendar 1.1.24 Privilege Escalation XSS
Updated under an hour ago ()
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It affects dwbooster Booking Calendar Contact. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Jul 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
dwbooster Booking Calendar Contact dwbooster:booking_calendar_contact (from the name) | through 1.1.24 | CNA record |
References
- https://www.exploit-db.com/exploits/39341exploit
- http://wordpress.dwbooster.com/calendars/booking-calendar-contact-formproduct
- https://www.vulncheck.com/advisories/wordpress-appointment-booking-calendar-privilege-escalation-xssthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.