What is CVE-2023-54357?

CVE-2023-54357 is a high-severity vulnerability in Artio Joomla! Com_booking Component, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2026-06-19.

How severe is CVE-2023-54357?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Artio Joomla! Com_booking Component

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…

EPSS: 0.005 (42.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Artio Joomla! Com_booking Component — versions 2.4.9

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2023-54357?: CVE-2023-54357 is a high-severity vulnerability in Artio Joomla! Com_booking Component, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2026-06-19.
How severe is CVE-2023-54357?: High severity. CVSS v3 base score is 7.5 out of 10.