# Booking - Book It (com_booking) 2.4.9 - CVE-2023-54357 Unauthenticated Account Enumeration / Information Disclosure

[Joomla Vulnerability Database](https://mysites.guru/vulnerabilities/)/CVE-2023-54357

CVE-2023-54357HighCVSS 8.7CVE published 19 June 2026Added to mySites.guru 1 January 2023

# Booking - Book It (com\_booking) 2.4.9 - CVE-2023-54357 Unauthenticated Account Enumeration / Information Disclosure

The Booking (Book It) component 2.4.9 exposes a getUserData function in the customer controller that lets an unauthenticated attacker enumerate accounts and retrieve names, usernames and email addresses via crafted GET requests (CVE-2023-54357). Update to the latest version.

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## Is my site affected?

- **Affected** - Booking - Book It up to and including 2.4.9
- **Fixed in** - A release after 2.4.9
- **What to do** - Update Booking - Book It to the newest release from the vendor. This flaw covers versions up to 2.4.9, so any later release is outside it.

[Check whether your sites are affected](https://mysites.guru/free-audit/)

## How CVE-2023-54357 is scored

The base metrics as VulnCheck CNA published them, and what each one means for a site running an affected version. Threat and environmental metrics are left out: they describe a moment or a particular install rather than the flaw.

8.7 High

CVSS 4.0, scored by VulnCheck CNA

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

### How it is reached

- **AV:N Attack vector** - Network. Reachable across the internet
- **AC:L Attack complexity** - Low. Nothing to work around, it just works
- **AT:N Attack requirements** - None. Works against any affected install
- **PR:N Privileges required** - None. No account needed
- **UI:N User interaction** - None. Nobody has to be tricked into anything

### What it does to the site

- **VC:H Confidentiality** - High. Everything the site holds can be read
- **VI:N Integrity** - None. Nothing can be altered
- **VA:N Availability** - None. The site stays up

### What it does beyond the site

- **SC:N Confidentiality** - None. Other systems keep their data
- **SI:N Integrity** - None. Other systems keep their integrity
- **SA:N Availability** - None. Other systems stay up

mySites.guru rates this Medium. Where our assessment and the published record differ, your sites are checked against ours.

## Timeline

1.  1 January 2023mySites.guru check added for Booking - Book It (up to and including 2.4.9)
2.  19 June 2026CVE-2023-54357 record published by its CNA

## Rule details

Medium[CVE-2023-54357](https://mysites.guru/vulnerabilities/CVE-2023-54357/)2023-01-01

Booking - Book It

Affected versions: ≤ 2.4.9

Full advisory: [cve.threatint.eu](https://cve.threatint.eu/CVE/CVE-2023-54357)

## References

-   [CVE-2023-54357 on cve.org (the official CVE record)](https://www.cve.org/CVERecord?id=CVE-2023-54357)
-   [CVE-2023-54357 in the NIST National Vulnerability Database](https://nvd.nist.gov/vuln/detail/CVE-2023-54357)
-   [cve.threatint.eu/CVE/CVE-2023-54357](https://cve.threatint.eu/CVE/CVE-2023-54357)

## CVE-2023-54357 questions

Show all

Which versions are affected by CVE-2023-54357?

[CVE-2023-54357](https://mysites.guru/vulnerabilities/CVE-2023-54357/) affects Booking - Book It up to and including 2.4.9.

How do I fix CVE-2023-54357?

Update Booking - Book It to the newest release from the vendor. This flaw covers versions up to 2.4.9, so any later release is outside it.

How severe is CVE-2023-54357?

VulnCheck CNA scores it 8.7 (High) under CVSS 4.0. In plain terms: reachable across the internet, no account needed and nobody has to be tricked into anything.

## Running an affected version on a site you manage?

A free audit tells you which of your Joomla and WordPress sites run an affected version, which are out of date, and which have not been backed up. No card required. If a site is already compromised, [fix.mysites.guru](https://fix.mysites.guru/) is a single fixed fee per incident, usually resolved the same day.

This check is part of the [mySites.guru Joomla vulnerability scanner](https://mysites.guru/joomla-vulnerability-scanner/), which reads every installed extension's version on each audit. Browse the rest of the [Joomla vulnerability database](https://mysites.guru/vulnerabilities/).

Rules current as of 14 October 2026.