WordPress security changelog
MEDIUM CVE-2025-4691 Analyzed

Free Booking Plugin for Hotels, Restaurants and Car Rentals – eaSYNC Booking: A security weakness

Free Booking Plugin for Hotels, Restaurants and Car Rentals – eaSYNC Booking is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 5.3 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Free Booking Plugin for Hotels, Restaurants and Car Rentals – eaSYNC Booking
Plugin slug
easync-booking
Affected
See vendor advisory
Safe version
See mitigation notes
Published
May 31, 2025
Weakness
CWE-639 — Authorization Bypass Through User-Controlled Key

This CVE was published May 31, 2025 and is one of 3 known issues for this plugin.

Update, patch or deactivate.

Update Free Booking Plugin for Hotels, Restaurants and Car Rentals – eaSYNC Booking to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical 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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary and upstream sources