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CRITICAL · 9.8

CVE-2023-40765

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 vali...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
PhpjabbersEvent Booking Calendar4.0

Related Weaknesses (CWE)

CWE-209

References

FAQ

What is CVE-2023-40765?

CVE-2023-40765 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 vali...

How severe is CVE-2023-40765?

CVE-2023-40765 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-40765?

Check the references section above for vendor advisories and patch information. Affected products include: Phpjabbers Event Booking Calendar.