PatchTheCVECVE-2024-13431: The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnera
CVE-2024-13431 is a medium-severity flaw (CVSS 6.1) affecting appointment booking calendar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the accent_color and background parameter in all versions up to, and including, 1.6.8.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.4% (top 69%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2025-03-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-13431?
appointment booking calendar: upgrade to 1.6.8.5. Exact commands for each OS are on this page.
Is CVE-2024-13431 being exploited?
CVE-2024-13431 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-13431 affect?
CVE-2024-13431 affects appointment booking calendar. Severity is medium (CVSS 6.1). The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the accent_color and background parameter in all versions up to, and including, 1.6.8.3
How urgent is CVE-2024-13431?
Priority 29/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2025-46247 MEDIUM 5.3 UPGRADE Missing Authorization vulnerability in codepeople Appointment Booking Calendar appointment-booking-calendar al
- CVE-2025-46241 HIGH 8.2 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in codepeople Appointment Booking Calendar appointment-booking
- CVE-2024-12274 HIGH 7.5 UPGRADE The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.1.23 export settings