CVE-2025-4691
Free Booking Plugin for Hotels, Restaurants and Car Rentals – eaSYNC Booking <= 1.3.21 - Insecure Direct Object Reference to Sensitive Information Exposure
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-639 |
| Vendor | syntactics |
| Product | easync booking – hotels, restaurants & car rentals |
| Published | May 31, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
syntactics / eaSYNC Booking – Hotels, Restaurants & Car Rentals
0 ≤ 1.3.21
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/3c9953b3-dd09-4c80-be11-4daf3bbac720?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/easync-booking/tags/1.3.17/easync.php#L4859 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3243634/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3293607/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3300408/
Credits
Jaynel Patiarba