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CVE-2025-54677— WordPress Online Booking & Scheduling Calendar for WordPress by vcita Plugin <= 4.5.3 - Arbitrary File Upload Vulnerability

Quick assessment

Affected
vcita Online Booking & Scheduling Calendar for WordPress by vcita
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Online Booking & Scheduling Calendar for WordPress by vcita 4.5.3及之前版本存在安全漏洞，该漏洞源于上传危险类型文件不受限制，可能导致使用恶意文件。

CVSS 9.1 · Critical EPSS 0.44% · P35

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2025-54677

Vulnerability Information
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Vulnerability Title
WordPress Online Booking & Scheduling Calendar for WordPress by vcita Plugin <= 4.5.3 - Arbitrary File Upload Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Online Booking & Scheduling Calendar for WordPress by vcita 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Online Booking & Scheduling Calendar for WordPress by vcita 4.5.3及之前版本存在安全漏洞，该漏洞源于上传危险类型文件不受限制，可能导致使用恶意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
vcita Online Booking & Scheduling Calendar for WordPress by vcita 0 ~ 4.5.3 -

II. Public POCs for CVE-2025-54677

# POC Description Source Link Shenlong Link
1 WordPress Online Booking & Scheduling Calendar for WordPress by vcita Plugin <= 4.5.3 is vulnerable to a medium priority Arbitrary File Upload https://github.com/quetuan03/CVE-2025-54677 POC Details
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No public POC found.

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III. Intelligence Information for CVE-2025-54677

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IV. Related Vulnerabilities

Same product: Online Booking & Scheduling Calendar for WordPress by vcita
Same vendor: vcita
Same weakness: CWE-434

V. Comments for CVE-2025-54677

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