CVE-2021-24712
Appointment Hour Booking – WordPress Booking Plugin < 1.3.17 - Authenticated Stored XSS
The Appointment Hour Booking WordPress plugin before 1.3.17 does not properly sanitize values used when creating new calendars.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The Appointment Hour Booking WordPress plugin before 1.3.17 does not properly sanitize values used when creating new calendars.
- Record
CVE-2021-24712- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Appointment Hour Booking – WordPress Booking Plugin < 1.3.17 - Authenticated Stored XSS
The Appointment Hour Booking WordPress plugin before 1.3.17 does not properly sanitize values used when creating new calendars.
- Record
CVE-2021-24712- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11624 No score
The Appointment Hour Booking WordPress plugin before 1.3.17 does not properly sanitize values used when creating new calendars.
- Record
EUVD-2021-11624- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4fc4-4rqx-5r93 No score
The Appointment Hour Booking WordPress plugin before 1.3.17 does not properly sanitize values...
The Appointment Hour Booking WordPress plugin before 1.3.17 does not properly sanitize values used when creating new calendars.
- Record
GHSA-4fc4-4rqx-5r93- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24712 is a medium vulnerability (CVSS 5.4) in Dwbooster Appointment Hour Booking, published October 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 50th percentile. No source names a fixed version.