CVE-2025-2609: magnusbilling XSS — Exploit & Fix

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.

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CVSS v3.1 Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
magnussolution	magnusbilling	< 7.3.0

References

Advisories & Patches

https://github.com/magnussolution/magnusbilling7/commit/f0f083c76157e31149ae58342342fb1bf1629e22

Exploits

https://chocapikk.com/posts/2025/magnusbilling/ https://chocapikk.com/posts/2025/magnusbilling/

Other References

https://vulncheck.com/advisories/magnusbilling-logs-xss

Frequently Asked Questions

What is CVE-2025-2609? +

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. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2025-2609? +

CVE-2025-2609 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-2609? +

CVE-2025-2609 affects products from magnussolution, specifically: magnusbilling. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-2609? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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