CVE-2023-54357
CVE-2023-54357 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (27th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-60592
- Weakness: CWE-203
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-54357?
- CVE-2023-54357 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-54357 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2023-54357?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-54357 have an EU (EUVD) identifier?
- Yes. CVE-2023-54357 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60592.
- When was CVE-2023-54357 published?
- CVE-2023-54357 was published on 2026-06-19 and last updated on 2026-06-23.
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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