Is CVE-2023-40760 actively exploited?

No active exploitation of CVE-2023-40760 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-40760 be exploited remotely?

Yes. CVE-2023-40760 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-40760?

CVE-2023-40760 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-40760

CRITICAL

CVE-2023-40760

CWE-209Published: August 28, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.

NVD Source

Technical Analysis

CVE-2023-40760 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.