# CVE-2025-34504: KodExplorer 4.52 Open Redirect Vulnerability via User Login Endpoint

> Attackers can redirect users to malicious sites after login via the link parameter in KodExplorer, potentially facilitating phishing attacks.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **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:** 11 Dec 2025
- **Updated:** 5 Mar 2026
- **Also known as:** GHSA-cpc7-gw8m-x49f

## What is CVE-2025-34504?

CVE-2025-34504 is a medium-severity vulnerability in kodcloud KodExplorer, published on 11 Dec 2025. 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

KodExplorer 4.52 contains an open redirect vulnerability in the user login page that allows attackers to manipulate the 'link' parameter. Attackers can craft malicious URLs in the link parameter to redirect users to arbitrary external websites after authentication.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2025-34504?

It affects 1 product.


Products: Kodcloud Kodexplorer.

## How do I fix CVE-2025-34504?

No fix has been published for CVE-2025-34504 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-34504 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34504 exists.

## Other vulnerabilities in kodcloud KodExplorer

- [CVE-2022-46154](https://insights.sbomify.com/CVE-2022-46154/): Arbitrary file access in KodExplorer (high 8.6)
- [CVE-2023-6850](https://insights.sbomify.com/CVE-2023-6850/): kalcaddle KodExplorer API Endpoint unrestricted upload (medium 6.3)
- [CVE-2023-6851](https://insights.sbomify.com/CVE-2023-6851/): kalcaddle KodExplorer ZIP Archive app.php unzipList code injection (medium 6.3)
- [CVE-2023-6852](https://insights.sbomify.com/CVE-2023-6852/): kalcaddle KodExplorer app.php server-side request forgery (medium 6.3)
- [CVE-2023-6853](https://insights.sbomify.com/CVE-2023-6853/): kalcaddle KodExplorer app.php index server-side request forgery (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-34504 and fix it if it is affected.

What it is: CVE-2025-34504 is a medium-severity vulnerability in kodcloud KodExplorer, published on 11 Dec 2025. 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-2025-34504 exists.

Affected product: kodcloud KodExplorer. 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-2025-34504/ (Markdown: https://insights.sbomify.com/CVE-2025-34504/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-34504
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-34504
- OSV: https://osv.dev/vulnerability/CVE-2025-34504

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-34504/
Summaries are generated and may contain mistakes; the official description above is the record.