# CVE-2026-3812: itsourcecode Payroll Management System manage_employee_allowances.php cross site scripting

> Remote attackers can execute arbitrary scripts via the ID parameter in manage_employee_allowances.php, potentially compromising user sessions.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **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:** 9 Mar 2026
- **Updated:** 10 Mar 2026
- **Also known as:** GHSA-m4w9-9vch-mj8x

## What is CVE-2026-3812?

CVE-2026-3812 is a medium-severity cross-site scripting vulnerability in itsourcecode Payroll Management System, published on 9 Mar 2026. 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 was determined in itsourcecode Payroll Management System 1.0. Affected is an unknown function of the file /manage_employee_allowances.php. This manipulation of the argument ID causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-3812?

It affects 1 product.


Products: Angeljudesuarez Payroll Management System.

## How do I fix CVE-2026-3812?

No fix has been published for CVE-2026-3812 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-3812 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3812 exists.

## Other vulnerabilities in itsourcecode Payroll Management System

- [CVE-2026-4223](https://insights.sbomify.com/CVE-2026-4223/): itsourcecode Payroll Management System manage_employee.php sql injection (medium 6.9)
- [CVE-2024-5898](https://insights.sbomify.com/CVE-2024-5898/): itsourcecode Payroll Management System print_payroll.php sql injection (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-3812 and fix it if it is affected.

What it is: CVE-2026-3812 is a medium-severity cross-site scripting vulnerability in itsourcecode Payroll Management System, published on 9 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3812 exists.

Affected product: itsourcecode Payroll Management System. 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-2026-3812/ (Markdown: https://insights.sbomify.com/CVE-2026-3812/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-3812
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3812
- OSV: https://osv.dev/vulnerability/CVE-2026-3812

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-3812/
Summaries are generated and may contain mistakes; the official description above is the record.