CVE-2021-24232
Advanced Booking Calendar < 1.6.8 - Authenticated Reflected Cross-Site Scripting (XSS)
The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when output in the settings page, leading to an authenticated reflected Cross-Site Scripting issue
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 Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when output in the settings page, leading to an authenticated reflected Cross-Site Scripting issue
- Record
CVE-2021-24232- 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
Advanced Booking Calendar < 1.6.8 - Authenticated Reflected Cross-Site Scripting (XSS)
The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when output in the settings page, leading to an authenticated reflected Cross-Site Scripting issue
- Record
CVE-2021-24232- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11146 No score
The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when output in the settings page, leading to an authenticated reflected Cross-Site Scripting issue
- Record
EUVD-2021-11146- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mxq8-qjm4-g6gq No score
The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error...
The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when output in the settings page, leading to an authenticated reflected Cross-Site Scripting issue
- Record
GHSA-mxq8-qjm4-g6gq- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24232 is a medium vulnerability (CVSS 5.4) in Advanced Booking Calendar Booking Calendar, published April 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.