Free Booking Plugin for Hotels, Restaurants and Car Rentals – eaSYNC Booking <= 1.3.21 - Insecure Direct Object Reference to Sensitive Information Exposure

5.3
Authorization Bypass Through User-Controlled Key
CVE CVE-2025-4691
CVSS 5.3 (Medium)
Publicly Published May 30, 2025
Last Updated May 31, 2025
Researcher cucumbersalad

Description

The Free Booking Plugin for Hotels, Restaurants and Car Rentals – eaSYNC Booking plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.3.21 via the 'view_request_details' due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to view the details of any booking request. The vulnerability was partially patched in versions 1.3.18 and 1.3.21.

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Vulnerability Details for eaSYNC Booking – Hotels, Restaurants & Car Rentals

Software Type Plugin
Software Slug easync-booking (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.3.22, or a newer patched version
Affected Version
  • <= 1.3.21
Patched Version
  • 1.3.22

Recent vulnerabilities in eaSYNC Booking – Hotels, Restaurants & Car Rentals

# Title CVE ID CVSS Researchers Date
1 eaSYNC <= 1.3.19 - Missing Authorization CVE-2025-32219 4.3 Kévin Mosbahi (Mika) April 4, 2025
2 Free Booking Plugin for Hotels, Restaurants and Car Rentals – eaSYNC Booking <= 1.3.14 - Cross-Site Request Forgery CVE-2024-9450 6.1 Vuln Seeker Cybersecurity Team March 2, 2025
3 eaSYNC <= 1.3.11 - Reflected Cross-Site Scripting CVE-2023-38384 6.1 OZ1NG (TOOR, LISA) July 20, 2023
4 Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get CVE-2023-33999 6.1 Rafie Muhammad July 18, 2023
5 Free Booking Plugin for Hotels, Restaurant and Car Rental – eaSYNC <= 1.1.15 - Arbitrary File Upload CVE-2022-1952 8.8 cydave June 13, 2022
6 Freemius SDK <= 2.4.2 - Missing Authorization Checks CVE-2022-4974 6.3 March 4, 2022

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