VULNERABILITY INTELLIGENCE
CVE-2023-40765
CVSS score9.8 CRITICAL
EPSS probability0.89%
CISA KEVNot currently listed
Published2023-08-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
User enumeration is found in PHPJabbers Event Booking Calendar 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.
Weakness classification
- CWE-209: Generation of Error Message Containing Sensitive Information