CVE•Published 2025-08-20•Modified 2026-04-23•1 article on news•7 live references•NVD data

CVE-2025-54677Vcita · Online_booking_\&_scheduling_calendar

Vulnerability data via NVD (ingested)

CVSS v3.1

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS percentile

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Weaknesses (CWE)

CWE-434Unrestricted Upload of File with Dangerous Type

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.

Timeline

Published 2025-08-20

Modified 2026-04-23

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2025-54677

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · WP plugin path

http.html:"/wp-content/plugins/online-booking-\&-scheduling-calendar/"

Matches any site loading the "online-booking-\&-scheduling-calendar" plugin — doesn't rely on Shodan's vuln tag.

Shodan · product

product:"Vcita Online Booking \& Scheduling Calendar"

All exposed Vcita Online Booking \& Scheduling Calendar instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Online Booking \& Scheduling Calendar"

HTTP body or banner mentions "Online Booking \& Scheduling Calendar" — catches deploys Shodan didn't identify as a product.