What is the CVSS score of CVE-2025-4691?

CVE-2025-4691 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of Easync are affected by CVE-2025-4691?

Organizations using for WordPress is vulnerable to Insecure Direct Object Reference in all should be aware of moderate risk from CVE-2025-4691, a IDOR vulnerability rated CVSS 5.3.. A patch is available.

How to fix or mitigate CVE-2025-4691?

Within 30 days: Identify affected systems running for WordPress is vulnerable to Insecure Direct Object Refere and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Easync CVE-2025-4691

MEDIUM

Authorization Bypass Through User-Controlled Key (CWE-639)

2025-05-31 security@wordfence.com

WordPress Authentication Bypass Easync PHP

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:44 vuln.today

Patch released

Mar 28, 2026 - 18:44 nvd

Patch available

CVE Published

May 31, 2025 - 12:15 nvd

MEDIUM 5.3

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-639. 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. Affected products include: Syntacticsinc Easync.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-4691 vulnerability details – vuln.today

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Easync CVE-2025-4691

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code