# CVE-2025-50579: Misconfiguration in n/a

> Attackers can steal JWT tokens via CORS misconfiguration in Nginx Proxy Manager, enabling unauthorized access and data exfiltration.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Aug 2025
- **Updated:** 19 Aug 2025
- **Also known as:** GHSA-h493-5cp7-m669

## What is CVE-2025-50579?

CVE-2025-50579 is a medium-severity vulnerability in n/a, published on 19 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A CORS misconfiguration in Nginx Proxy Manager v2.12.3 allows unauthorized domains to access sensitive data, particularly JWT tokens, due to improper validation of the Origin header. This misconfiguration enables attackers to intercept tokens using a simple browser script and exfiltrate them to a remote attacker-controlled server, potentially leading to unauthorized actions within the application.

Weakness: CWE-1259 (Improper Restriction of Security Token Assignment)

## Which versions are affected by CVE-2025-50579?

It affects 1 product.


Products: Jc21 Nginx Proxy Manager.

## How do I fix CVE-2025-50579?

No fix has been published for CVE-2025-50579 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-50579 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-50579 exists.

## Other vulnerabilities in n/a

- [CVE-2024-46256](https://insights.sbomify.com/CVE-2024-46256/): Command injection in n/a (critical 9.8)
- [CVE-2023-27224](https://insights.sbomify.com/CVE-2023-27224/): Code injection in n/a (critical 9.8)
- [CVE-2024-39935](https://insights.sbomify.com/CVE-2024-39935/): Command injection in n/a (high 8.8)
- [CVE-2023-23596](https://insights.sbomify.com/CVE-2023-23596/): Command injection in n/a (high 8.8)
- [CVE-2024-46257](https://insights.sbomify.com/CVE-2024-46257/): Command injection in n/a (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-50579 and fix it if it is affected.

What it is: CVE-2025-50579 is a medium-severity vulnerability in n/a, published on 19 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-50579 exists.

Affected product: n/a. 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-2025-50579/ (Markdown: https://insights.sbomify.com/CVE-2025-50579/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-50579
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-50579
- OSV: https://osv.dev/vulnerability/CVE-2025-50579

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-50579/
Summaries are generated and may contain mistakes; the official description above is the record.