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

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 29 Oct 2026.

VulnCheck KEV lists it since 21 Mar 2025. It cites 1 public report, the first from 21 Mar 2025.

• chocapikk.com

How likely is exploitation in the next 30 days?

1.2%

EPSS score, percentile 66.9 of all scored records. A probability estimated by FIRST, not a report of exploitation.

CISA's SSVC assessment in the CVE record lists exploitation as poc.

How severe?

8.2 High

CVSS v3.1 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (1)

Which versions are affected?

Affected

• 7.3.0 and earlier

Versions by product

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; VulnCheck KEV, as of 30 Oct 2026; FIRST EPSS, as of 30 Oct 2026; CVE List, as of 30 Oct 2026. About the data.

Description

MagnusBilling Stored Cross-Site Scripting in Login Logs

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.

Source: CVE List, as of 30 Oct 2026. About the data.

What to do

Advisories and patches

• github.com (Patch)

This summary is based on the CVE record as of 30 Oct 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Source: CVE List, as of 30 Oct 2026. About the data.

Timeline