Arbitrary File Upload in vcita Online Booking & Scheduling Calendar for WordPress
CVE-2025-54677

9.1CRITICAL

Key Information:

Vendor

WordPress
Status
Online Booking & Scheduling Calendar For WordPress By Vcita
Vendor
CVE Published:
20 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-54677?

The vcita Online Booking & Scheduling Calendar for WordPress is susceptible to a vulnerability that allows attackers to upload malicious files due to restrictions on file type validation. This potentially enables unauthorized access and execution of harmful scripts, compromising the security of affected WordPress installations.

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Affected Version(s)

Online Booking & Scheduling Calendar for WordPress by vcita <= 4.5.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-54677
Created by quetuan03

References

https://patchstack.com/database/wordpress/plugin/meeting-...
vdb-entry

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Que Thanh Tuan - Blue Rock (Patchstack Alliance)
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