CVE-2024-0856: The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, whic
CVE-2024-0856 is a high-severity flaw (CVSS 8.8) 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 WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks such as adding a booking to the calendar without paying.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.4% (top 68%) |
| CISA exploited list | No |
| Weakness | CWE-352 |
| Published | 2024-03-20 |
| 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-2024-0856?
appointment booking calendar: upgrade to 1.3.83. Exact commands for each OS are on this page.
Is CVE-2024-0856 being exploited?
CVE-2024-0856 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-2024-0856 affect?
CVE-2024-0856 affects appointment booking calendar. Severity is high (CVSS 8.8). The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks such as adding a booking to the calendar
How urgent is CVE-2024-0856?
Priority 44/100. High severity; Public exploit reference
Software pages
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