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

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

*Credits: Jaynel Patiarba,cucumbersalad

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-05-14 CVE Reserved
2025-05-30 CVE Published
2025-06-02 CVE Updated
2025-07-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-639: Authorization Bypass Through User-Controlled Key

CAPEC

References (5)

URL	Tag	Source
https://plugins.trac.wordpress.org/browser/easync-booking/tags/1.3.17/easync.php#L4859
https://plugins.trac.wordpress.org/changeset/3243634
https://plugins.trac.wordpress.org/changeset/3293607
https://plugins.trac.wordpress.org/changeset/3300408
https://www.wordfence.com/threat-intel/vulnerabilities/id/3c9953b3-dd09-4c80-be11-4daf3bbac720?source=cve

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Syntactics Search vendor "Syntactics"		Free Booking Plugin For Hotels, Restaurants And Car Rentals – EaSYNC Booking Search vendor "Syntactics" for product "Free Booking Plugin For Hotels, Restaurants And Car Rentals – EaSYNC Booking"				<= 1.3.21 Search vendor "Syntactics" for product "Free Booking Plugin For Hotels, Restaurants And Car Rentals – EaSYNC Booking" and version " <= 1.3.21"		en		Affected