CVE-2025-54677
📛 CVE Title
WordPress Online Booking & Scheduling Calendar for WordPress by vcita Plugin <= 4.5.3 - Arbitrary File Upload 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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- Patchstack
- CVSS severity
- CRITICAL
- CVSS score
- 9.1 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H- Effective score
- 9.1 / 10 CRITICAL source: CNA overview
- CWE(s)
-
CWE-434 - Reserved
- 2025-07-28
- Published
- 2025-08-20 10:02 UTC
- Last updated
- 2026-04-28 18:13 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/54xxx/CVE-2025-54677.json
- Linked Threat
- CVE-2025-54677 — Online Booking & Scheduling Calendar for WordPress by vcita <= 4.5.3 - Authenticated (Author+) Arbitrary File Upload
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2025-08-20 08:15:49 UTC
- NVD last modified
- 2026-04-23 15:32:48 UTC
- NVD CVSS v3.1
- 9.1 / 10 CRITICAL source: audit@patchstack.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H- Exploitability subscore
- 2.3 / 10
- Impact subscore
- 6.0 / 10
- EPSS score
- 0.0011 (probability of exploitation in next 30 days)
- EPSS percentile
- 28.83% vs all CVEs — higher = more likely to be exploited, as of 2026-05-26
NVD / KEV / EPSS data refreshed 2026-05-26 18:17 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2025-28563 - Assigner
- Patchstack
- Published
- Aug 20, 2025, 8:02:52 AM
- Updated
- Apr 28, 2026, 4:13:33 PM
- EUVD base score (CVSS 3.1)
-
9.1 / 10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - EUVD-reported EPSS
- 0.1100
- Vendors
- vcita
- Products
-
Online Booking & Scheduling Calendar for WordPress by vcita (n/a ≤4.5.3)Online Booking & Scheduling Calendar for WordPress by vcita (0 ≤4.5.3)
- Aliases
-
GHSA-gfhw-6rv5-52pq
ENISA 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 (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| vcita | Online Booking & Scheduling Calendar for WordPress by vcita |
0 (affected)
|
— |
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:vcita:online_booking_\&_scheduling_calendar:*:*:*:*:*:wordpress:*:*
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (5)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- http://cwe.mitre.org/data/definitions/434.html rapid7:cwe.mitre.org
- https://attackerkb.com/topics/CVE-2025-54677 rapid7:attackerkb.com
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-28563 rapid7:euvd.enisa.europa.eu
- https://www.cve.org/CVERecord?id=CVE-2025-54677 rapid7:www.cve.org
- https://www.wordfence.com/threat-intel/vulnerabilities/id/89183a72-5b35-4c11-81d7-0a735ebce884?source=api-prod rapid7:www.wordfence.com
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
Indicators (2)
IOCs linked to the auto-promoted Threat row.
| Type | Value | VirusTotal | Attached |
|---|---|---|---|
| domain |
files.this
|
no local data | 2026-05-18 21:19 UTC |
| cve |
CVE-2025-54677
|
no local data | 2026-06-06 13:35 UTC |
Remediations (19)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-24 05:56 UTC -
web:support.microsoft.com
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...
2026-09-24 05:56 UTC -
web:www.oracle.com
Oracle Critical Patch Update Advisory - July 2025 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical Patch ...
2026-09-24 05:56 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-09-24 05:56 UTC -
web:msrc.microsoft.com
Access Microsoft Security Response Center's guide to address vulnerabilities, manage security risks, and keep your systems protected with the latest updates.
2026-09-24 05:56 UTC -
web:catalog.update.microsoft.com
Welcome to the Microsoft Update Catalog site. We want your feedback! Visit our newsgroup or send us an email to provide us with your thoughts and suggestions. To get started using the site, enter in your search terms in the Search box above or visit our FAQ for search tips.
2026-09-24 05:56 UTC -
web:www.tenable.com
Microsoft's August 2025 Patch Tuesday Addresses 107 CVEs ( CVE - 2025 -53779) By Research Special Operations Subscribe 13 Critical 91 Important 2 Moderate 1 Low Microsoft addresses 107 CVEs , including one zero-day vulnerability that was publicly disclosed.
2026-09-24 05:56 UTC -
Wordfence remediation: Online Booking & Scheduling Calendar by vcitaWordfence
Update to version 4.5.5, or a newer patched version
2026-09-22 03:03 UTC -
Wordfence remediation: Online Booking & Scheduling Calendar for WordPress by vcitaWordfence
Update to version 4.5.5, or a newer patched version
2026-06-06 13:35 UTC -
web:www.securityweek.com
Microsoft's September 2025 Patch Tuesday updates resolve a total of 86 vulnerabilities across Windows and other products.
2026-05-22 14:33 UTC -
web:www.computerworld.com
Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...
2026-05-22 14:33 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-22 14:33 UTC -
web:www.bleepingcomputer.com
Microsoft has released out-of-band (OOB) security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with publicly available proof-of-concept exploit code.
2026-05-22 14:33 UTC -
web:www.cisa.gov
Updated October 29, 2025 : CISA has updated this Alert to include revised information on vulnerable product identification, potential threat activity detections, and additional resources. Microsoft released an update to address a critical remote code execution vulnerability impacting Windows Server Update Service (WSUS) in Windows Server (2012, 2016, 2019, 2022, and 2025 ), CVE - 2025 -59287
2026-05-22 14:33 UTC -
web:blog.qualys.com
EVALUATE Vendor-Suggested Mitigation with Policy Audit With Qualys Policy Audit's Out-of-the-Box Mitigation or Compensatory Controls, reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done now; these security controls are not recommended by any industry standards, such as CIS, DISA-STIG.
2026-05-22 14:33 UTC -
web:www.lansweeper.com
The October 2025 edition of Patch Tuesday brings us 173 new fixes, with 9 rated as critical, 3 of which are actively exploited. We've listed the most important changes below. Windows Agere Modem Driver Elevation of Privilege Vulnerability CVE - 2025 -24990 is an elevation of privilege vulnerability that has been actively exploited.
2026-05-22 14:33 UTC -
web:www.ninjaone.com
Catalog of Microsoft KB updates with insights on performance & user sentiment. Find out what's working, what's not, & make informed decisions.
2026-05-22 14:33 UTC -
web:www.oracle.com
This Critical Patch Update contains 374 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at October 2025 Critical Patch Update: Executive Summary and Analysis.
2026-05-22 14:33 UTC -
web:www.rapid7.com
Microsoft has published 172 new vulnerabilities, including six zero-day vulnerabilities. Windows 10 moves past the end of support, sort of. Critical RCE in Windows Server Update Service.
2026-05-22 14:33 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2025-54677.json.
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