# CVE-2025-4531: Seeyon Zhiyuan OA Web Application System Beetl Template EhrSalaryPayrollServiceImpl.class postData code injection

> Remote attackers can execute arbitrary code via the payrollId parameter in the Beetl template handler of Seeyon Zhiyuan OA.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 May 2025
- **Updated:** 12 May 2025
- **Also known as:** GHSA-mghj-q485-vv65

## What is CVE-2025-4531?

CVE-2025-4531 is a medium-severity code injection vulnerability in Seeyon Zhiyuan OA Web Application System, published on 11 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. It has been rated as critical. Affected by this issue is the function postData of the file ROOT\WEB-INF\classes\com\ours\www\ehr\salary\service\data\EhrSalaryPayrollServiceImpl.class of the component Beetl Template Handler. The manipulation of the argument payrollId leads to code injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2025-4531?

It affects 1 product.


Products: Seeyon Oa Web Application System.

## How do I fix CVE-2025-4531?

No fix has been published for CVE-2025-4531 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-4531 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4531 exists.

## Other vulnerabilities in Seeyon Zhiyuan OA Web Application System

- [CVE-2025-4529](https://insights.sbomify.com/CVE-2025-4529/): Seeyon Zhiyuan OA Web Application System ZIP File M3CoreController.class download path traversal (medium 5.3)
- [CVE-2025-3999](https://insights.sbomify.com/CVE-2025-3999/): Seeyon Zhiyuan OA Web Application System URL Parameter date.jsp cross site scripting (medium 5.1)
- [CVE-2025-4000](https://insights.sbomify.com/CVE-2025-4000/): Seeyon Zhiyuan OA Web Application System ssoproxy.jsp cross site scripting (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-4531 and fix it if it is affected.

What it is: CVE-2025-4531 is a medium-severity code injection vulnerability in Seeyon Zhiyuan OA Web Application System, published on 11 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4531 exists.

Affected product: Seeyon Zhiyuan OA Web Application 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-2025-4531/ (Markdown: https://insights.sbomify.com/CVE-2025-4531/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-4531
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-4531
- OSV: https://osv.dev/vulnerability/CVE-2025-4531

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-4531/
Summaries are generated and may contain mistakes; the official description above is the record.