What is the CVSS score of CVE-2025-54677?

CVE-2025-54677 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Online Booking Scheduling Calendar are affected by CVE-2025-54677?

CVE-2025-54677 presents critical security risk, a unrestricted file upload vulnerability rated CVSS 9.1.

How to fix or mitigate CVE-2025-54677?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Review file handling controls and restrict upload directories.

Online Booking Scheduling Calendar CVE-2025-54677

CRITICAL

Unrestricted Upload of File with Dangerous Type (CWE-434)

2025-08-20 audit@patchstack.com

WordPress File Upload Online Booking Scheduling Calendar Wordpress Plugin Vcita

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Re-analysis Queued

Apr 23, 2026 - 15:42 vuln.today

cvss_changed

Severity Changed

Apr 23, 2026 - 15:42 NVD

HIGH CRITICAL

CVSS changed

Apr 23, 2026 - 15:42 NVD

7.2 (HIGH) 9.1 (CRITICAL)

Analysis Generated

Mar 28, 2026 - 19:07 vuln.today

CVE Published

Aug 20, 2025 - 08:15 nvd

HIGH 7.2

DescriptionCVE.org

Unrestricted Upload of File with Dangerous Type vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita allows Using Malicious Files. This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through 4.5.3.

AnalysisAI

Unrestricted Upload of File with Dangerous Type vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita allows Using Malicious Files.5.3. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Unrestricted Upload of File with Dangerous Type vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita allows Using Malicious Files.5.3. Affected products include: Vcita Online Booking \& Scheduling Calendar. Version information: through 4.5.3..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.