CVE-2023-54357
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk51th percentile - higher than 51% of all known CVEs
Summary
The Joomla com_booking component version 2.4.9 contains an information disclosure vulnerability that allows unauthenticated attackers to enumerate user accounts. Attackers can exploit the getUserData function in the customer controller by sending appropriate GET requests.
Risk Assessment
This vulnerability may lead to the disclosure of personal user data, increasing the risk of phishing attacks and privacy breaches. Organizations may face a loss of trust from users.
Recommendation
It is recommended to update the com_booking component to the latest version to eliminate this vulnerability. Additionally, implementing access restrictions to functions that may disclose user data is advisable.
Related vulnerabilities
- CVE-2026-124917Critical
Sandbox escape vulnerability due to use-after-free in the Widget: Gtk component of Firefox. It may allow bypassing process isolation. The vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
- CVE-2026-124903Critical
A sandbox escape due to a use-after-free exists in the IPC component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.
- CVE-2026-124900Critical
A use-after-free in the DOM: Service Workers component of Firefox allows a sandbox escape. The vulnerability was fixed in Firefox 160.
- CVE-2026-124864Critical
Use-after-free vulnerability in the DOM: Service Workers component of Firefox enabling a sandbox escape. It may allow bypassing browser isolation mechanisms. Fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.
- CVE-2026-124861Critical
Use-after-free vulnerability in the Audio/Video: cubeb component of Firefox enabling a sandbox escape. It may allow bypassing browser isolation mechanisms. Fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.
- CVE-2026-124859Critical
Sandbox escape in the Storage: Cache API component of Firefox caused by incorrect boundary conditions. It may allow bypassing browser isolation mechanisms. Fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.
- CVE-2026-124853Critical
A sandbox escape vulnerability due to incorrect boundary conditions exists in the Graphics: Text component of Firefox. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.
- CVE-2026-119446Critical
A Session Fixation vulnerability in the CLI login flow in nerves_hub_web allows an unauthenticated attacker to obtain an API token for another user's account via a crafted login link. The confirmation code is only displayed and never compared, so it cannot prove that the confirming person is the one who started the login.
- CVE-2026-60043Critical
An unauthenticated remote attacker can perform an XSS attack on a logged-in backend user, allowing execution of multiple critical system actions such as shutting down the server or restoring an uploaded backup.
- CVE-2026-13312Critical
The described vulnerability could allow an attacker to compromise a system. Technical details are not provided in the description.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

