Vulnerability · Published Aug 20, 2025 · Assigned by Patchstack
CVE-2025-54677WordPress Online Booking & Scheduling Calendar for WordPress by vcita Plugin <= 4.5.3 - Arbitrary File Upload Vulnerability
Critical 9.1
In plain English
A critical-severity unrestricted file upload in Online Booking & Scheduling Calendar for WordPress by vcita from vcita. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| vcita | Online Booking & Scheduling Calendar for WordPress by vcita | 0 – through 4.5.3 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H