# CVE-2023-6434: Cross-site Scripting vulnerability in BigProf products

> Attackers can inject persistent JavaScript via the FirstRecord parameter in BigProf Online Invoicing System, potentially stealing user sessions or executing malicious code.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 30 Nov 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-cp9p-w58q-32px

## What is CVE-2023-6434?

CVE-2023-6434 is a medium-severity cross-site scripting vulnerability in BigProf  Online Inventory Manager, published on 30 Nov 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability has been discovered in BigProf Online Invoicing System 2.6, which does not sufficiently encode user-controlled input, resulting in persistent XSS through /inventory/sections_view.php, in the FirstRecord parameter. Exploitation of this vulnerability could allow an attacking user to store dangerous JavaScript payloads on the system that will be triggered when the page loads.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-6434?

It affects 1 product.


Products: Bigprof Online Invoicing System.

## How do I fix CVE-2023-6434?

No fix has been published for CVE-2023-6434 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6434 being exploited?

There is no known exploitation of CVE-2023-6434 in the wild and no public exploit code.

## Other vulnerabilities in BigProf  Online Inventory Manager

- [CVE-2020-35674](https://insights.sbomify.com/CVE-2020-35674/): SQL injection in n/a (critical 9.8)
- [CVE-2020-35675](https://insights.sbomify.com/CVE-2020-35675/): Cross-site request forgery in n/a (high 8.8)
- [CVE-2021-21260](https://insights.sbomify.com/CVE-2021-21260/): XSS in description field (high 7.6)
- [CVE-2023-6426](https://insights.sbomify.com/CVE-2023-6426/): Cross-site Scripting vulnerability in BigProf products (medium 6.3)
- [CVE-2023-6427](https://insights.sbomify.com/CVE-2023-6427/): Cross-site Scripting vulnerability in BigProf products (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6434 and fix it if it is affected.

What it is: CVE-2023-6434 is a medium-severity cross-site scripting vulnerability in BigProf  Online Inventory Manager, published on 30 Nov 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-6434 in the wild and no public exploit code.

Affected product: BigProf  Online Inventory Manager. 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-2023-6434/ (Markdown: https://insights.sbomify.com/CVE-2023-6434/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6434
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6434
- OSV: https://osv.dev/vulnerability/CVE-2023-6434

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6434/
Summaries are generated and may contain mistakes; the official description above is the record.