# CVE-2022-40293: Session fixation in PHP Point of Sale version 19.0, by PHP Point of Sale, LLC.

> Attackers can hijack user accounts via session fixation in PHP Point of Sale, requiring immediate patching.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Oct 2022
- **Updated:** 6 May 2025
- **Also known as:** GHSA-v34v-rxgw-mh4g

## What is CVE-2022-40293?

CVE-2022-40293 is a critical authentication bypass vulnerability in PHP Point of Sale, published on 31 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The application was vulnerable to a session fixation that could be used hijack accounts.

Weakness: CWE-384 (Session Fixation)

## Which versions are affected by CVE-2022-40293?

It affects 1 product.


Products: Phppointofsale Php Point of Sale.

## How do I fix CVE-2022-40293?

No fix has been published for CVE-2022-40293 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-40293 being exploited?

There is no known exploitation of CVE-2022-40293 in the wild and no public exploit code.

## Other vulnerabilities in PHP Point of Sale

- [CVE-2022-40296](https://insights.sbomify.com/CVE-2022-40296/): Server-side request forgery (SSRF) in PHP Point of Sale version 19.0, by PHP Point of Sale, LLC. (critical 9.8)
- [CVE-2022-40287](https://insights.sbomify.com/CVE-2022-40287/): Stored cross-site scripting in PHP Point of Sale version 19.0, by PHP Point of Sale, LLC via user profile data fields. (critical 9.0)
- [CVE-2022-40288](https://insights.sbomify.com/CVE-2022-40288/): Stored cross-site scripting in PHP Point of Sale version 19.0, by PHP Point of Sale, LLC via messaging functionality (critical 9.0)
- [CVE-2022-40289](https://insights.sbomify.com/CVE-2022-40289/): Cross-site scripting in PHP Point of Sale (critical 9.0)
- [CVE-2022-40291](https://insights.sbomify.com/CVE-2022-40291/): Cross-site request forgery (CSRF) in PHP Point of Sale version 19.0, by PHP Point of Sale, LLC (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-40293 and fix it if it is affected.

What it is: CVE-2022-40293 is a critical authentication bypass vulnerability in PHP Point of Sale, published on 31 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-40293 in the wild and no public exploit code.

Affected product: PHP Point of Sale. 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-2022-40293/ (Markdown: https://insights.sbomify.com/CVE-2022-40293/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-40293
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-40293
- OSV: https://osv.dev/vulnerability/CVE-2022-40293

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-40293/
Summaries are generated and may contain mistakes; the official description above is the record.