CVE-2023-54357

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.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-28)

CWE

CWE-203

Published

2026-06-19

Modified

2026-10-28

Record from

the NVD, synced 2026-10-28

Affected

• artio:book_it\!

References

• 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

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