What is CVE-2022-3982?

CVE-2022-3982 is a critical-severity vulnerability in Wpdevart Booking Calendar, classified under CWE-434 UNRESTRICTED UPLOAD OF FILE WITH DANGEROUS TYPE. CVSS score: 9.8/10. Published 2022-12-12.

How severe is CVE-2022-3982?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-3982 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Wpdevart Booking Calendar

CVE-2022-3982

The Booking calendar, Appointment Booking System WordPress plugin before 3.2.2 does not validate uploaded files, which could allow unauthenticated users to upload arbitrary files, such as PHP and achieve RCE

Published 2022-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.045 (91.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: +0.000

Affected products

Wpdevart Booking Calendar
Booking Calendar, Appointment System — versions 0

Public proof-of-concept exploits

References

wpscan.com/vulnerability/4d91f3e1-4de9-46c1-b5ba-cc55b7726867 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2022-3982?: CVE-2022-3982 is a critical-severity vulnerability in Wpdevart Booking Calendar, classified under CWE-434 UNRESTRICTED UPLOAD OF FILE WITH DANGEROUS TYPE. CVSS score: 9.8/10. Published 2022-12-12.
How severe is CVE-2022-3982?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-3982 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.