# CVE-2025-61583: TS3 Manager is vulnerable to unauthenticated reflected XSS attack due to insecure error handling

> Attackers can execute arbitrary scripts in victims' browsers via malicious server hostnames in the login error handling, potentially leading to session hijacking.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 1 Oct 2025
- **Updated:** 2 Oct 2025
- **Also known as:** GHSA-qw6j-37r6-m93g

## What is CVE-2025-61583?

CVE-2025-61583 is a medium-severity cross-site scripting vulnerability in joni1802 ts3-manager, published on 1 Oct 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

TS3 Manager is modern web interface for maintaining Teamspeak3 servers. A reflected cross-site scripting vulnerability has been identified in versions 2.2.1 and earlier. The vulnerability exists in the error handling mechanism of the login page, where malicious scripts embedded in server hostnames are executed in the victim's browser context without proper sanitization. This issue is fixed in version 2.2.2.

Weakness: CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2025-61583?

It affects 1 product.


Products: Joni1802 Ts3 Manager.

## How do I fix CVE-2025-61583?

No fix has been published for CVE-2025-61583 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-61583 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-61583 exists.

## Other vulnerabilities in joni1802 ts3-manager

- [CVE-2025-61582](https://insights.sbomify.com/CVE-2025-61582/): Ts3 Manager: Unauthenticated Denial of Service possible through specially crafted Unicode input (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-61583 and fix it if it is affected.

What it is: CVE-2025-61583 is a medium-severity cross-site scripting vulnerability in joni1802 ts3-manager, published on 1 Oct 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-2025-61583 exists.

Affected product: joni1802 ts3-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-2025-61583/ (Markdown: https://insights.sbomify.com/CVE-2025-61583/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-61583
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-61583
- OSV: https://osv.dev/vulnerability/CVE-2025-61583

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-61583/
Summaries are generated and may contain mistakes; the official description above is the record.