# CVE-2023-4252: EventPrime <= 3.2.9 - Booking Pricing Bypass

> Attackers can bypass payment validation in EventPrime bookings by manipulating client-side price parameters, allowing unauthorized purchases.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Nov 2023
- **Updated:** 21 Nov 2024
- **Also known as:** GHSA-cjmg-pmr3-7c35

## What is CVE-2023-4252?

CVE-2023-4252 is a medium-severity vulnerability in Unknown EventPrime, published on 27 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The EventPrime WordPress plugin through 3.2.9 specifies the price of a booking in the client request, allowing an attacker to purchase bookings without payment.

## Which versions are affected by CVE-2023-4252?

It affects 1 product.


Products: Metagauss Eventprime.

## How do I fix CVE-2023-4252?

No fix has been published for CVE-2023-4252 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4252 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4252 exists.

## Other vulnerabilities in Unknown EventPrime

- [CVE-2024-31275](https://insights.sbomify.com/CVE-2024-31275/): WordPress EventPrime plugin <= 3.3.4 - Booking Price Manipulation vulnerability (high 8.2)
- [CVE-2024-24832](https://insights.sbomify.com/CVE-2024-24832/): WordPress EventPrime plugin <= 3.3.9 - Broken Access Control vulnerability (high 8.2)
- [CVE-2024-12024](https://insights.sbomify.com/CVE-2024-12024/): Cross-site scripting in EventPrime – Events Calendar, Bookings and Tickets (high 7.2)
- [CVE-2023-45637](https://insights.sbomify.com/CVE-2023-45637/): WordPress EventPrime Plugin <= 3.1.5 is vulnerable to Cross Site Scripting (XSS) (high 7.1)
- [CVE-2023-35884](https://insights.sbomify.com/CVE-2023-35884/): WordPress EventPrime Plugin <= 3.0.5 is vulnerable to Cross Site Scripting (XSS) (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4252 and fix it if it is affected.

What it is: CVE-2023-4252 is a medium-severity vulnerability in Unknown EventPrime, published on 27 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4252 exists.

Affected product: Unknown EventPrime. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-4252/ (Markdown: https://insights.sbomify.com/CVE-2023-4252/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4252
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4252
- OSV: https://osv.dev/vulnerability/CVE-2023-4252

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4252/
Summaries are generated and may contain mistakes; the official description above is the record.