CVE-2023-40759

User enumeration is found in PHP Jabbers Restaurant Booking Script v3.0

published August 28, 2023

CVSS
โ€”
EPSS
1%
Percentile
59.0
In the wild
Unconfirmed
What it is

โš ๏ธ A subtle message mix-up during password recovery could be your Achilles' heel! An attacker could figure out if usernames exist just by watching the recovery messages. ๐Ÿ‘€ Think of it like a restaurant where the server whispers if a reservation exists or not โ€” if they say, 'Sorry, that name isn't here,' it gives away valuable information. Instead, every query should get the same polite, neutral response, keeping user data safe from prying eyes. If an attacker can confirm valid usernames, they could launch a brute-force attack on your accounts, compromising your data and user privacy. This could lead to unauthorized access, leaving your users vulnerable and your reputation in jeopardy!

Put simply

Think of it like a restaurant where the server whispers if a reservation exists or not โ€” if they say, 'Sorry, that name isn't here,' it gives away valuable information. Instead, every query should get the same polite, neutral response, keeping user data safe from prying eyes. The user enumeration vulnerability occurs in PHP Jabbers Restaurant Booking Script v3.0 during password recovery, where differing error messages indicate valid usernames, aiding attackers in pinpointing targets for brute-force attempts.

What to do

If an attacker can confirm valid usernames, they could launch a brute-force attack on your accounts, compromising your data and user privacy. This could lead to unauthorized access, leaving your users vulnerable and your reputation in jeopardy! To mitigate this, ensure that all password recovery messages are uniform, regardless of the validity of the username input. Update the script to the latest version and consider implementing rate limiting to slow down potential brute-force attempts. ๐Ÿ›ก๏ธ You've got this! With these steps, you'll reinforce your defenses and keep your users safe! ๐Ÿš€

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00891 ยท 59.0th percentile
Published
2023-08-28T00:00Z
EPSS history
Timeline
  • 28 AUG 00:00Z
    User enumeration is found in PHP Jabbers Restaurant Booking Script v3.0
    cvelistv5