8.7
HIGH CVSS 4.0
CVE-2023-54357
Joomla com_booking 2.4.9 Information Disclosure via Account Enumeration
Description

Joomla com_booking component 2.4.9 contains an information disclosure vulnerability that allows unauthenticated attackers to enumerate user accounts by exploiting the getUserData function in the customer controller. Attackers can send GET requests to index.php with option=com_booking, controller=customer, task=getUserData, and an id parameter to retrieve user names, usernames, and email addresses through brute force enumeration.

INFO

Published Date :

June 19, 2026, 7:16 p.m.

Last Modified :

June 23, 2026, 3:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-54357 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Restrict access to the getUserData function and validate user input.
  • Update the component to a version that addresses this issue.
  • Restrict access to sensitive user data functions.
  • Validate all user-provided input.
  • Implement rate limiting to prevent brute-force attacks.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-54357.

URL Resource
http://www.artio.net/
http://www.artio.net/downloads/joomla/book-it/book-it-2-free/download
https://www.exploit-db.com/exploits/51595
https://www.vulncheck.com/advisories/joomla-com-booking-information-disclosure-via-account-enumeration
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-54357 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-54357 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-54357 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-54357 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 23, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2023-54357', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-23T02:19:20.252344Z'}
  • New CVE Received by [email protected]

    Jun. 19, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Artio', 'product': 'Joomla! com_booking component', 'versions': [{'status': 'affected', 'version': '2.4.9'}]}]
    Added Description Joomla com_booking component 2.4.9 contains an information disclosure vulnerability that allows unauthenticated attackers to enumerate user accounts by exploiting the getUserData function in the customer controller. Attackers can send GET requests to index.php with option=com_booking, controller=customer, task=getUserData, and an id parameter to retrieve user names, usernames, and email addresses through brute force enumeration.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-203
    Added Reference http://www.artio.net/
    Added Reference http://www.artio.net/downloads/joomla/book-it/book-it-2-free/download
    Added Reference https://www.exploit-db.com/exploits/51595
    Added Reference https://www.vulncheck.com/advisories/joomla-com-booking-information-disclosure-via-account-enumeration
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.