Arbitrary file upload in Vcita Online Booking \& Scheduling Calendar
CVE-2025-54677
Unrestricted Upload of File with Dangerous Type vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Using Malicious Files.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.5.3.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patchstack.com/database/Wordpress/Plugin/meeting-scheduler-by-vcita/vulnerabili… (Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2025-54677?
- CVE-2025-54677 is a critical-severity vulnerability in Vcita Online Booking \& Scheduling Calendar, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.1/10. Published 2025-08-20.
- How severe is CVE-2025-54677?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2025-54677 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.