CVE-2023-40765 is a user enumeration vulnerability in PHPJabbers Event Booking Calendar v4.0. This flaw allows an attacker to discern valid usernames during password recovery by observing differing error messages, facilitating brute-force attacks. With a CVSS score of 9.8 (Critical), it presents a high-impact risk (confidentiality, integrity, availability) with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0CPE matchmatch criteria | cpe:2.3:a:phpjabbers:event_booking_calendar:4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.