---
title: "CVE-2026-109960: Froxlor - Stored XSS & Broken Authentication & Broken Access Control"
description: "Froxlor < 2.3.14 contains a stored cross-site scripting vulnerability caused by improper sanitization of the theme value in customer_index.php, letting authenticated customers inject scripts that execute when administrators view the customer overview, exploit requires authenticated customer access."
url: https://panop.io/threat-heartbeat/CVE-2026-109960/
---

# CVE-2026-109960 Froxlor - Stored XSS & Broken Authentication & Broken Access Control

Froxlor < 2.3.14 contains a stored cross-site scripting vulnerability caused by improper sanitization of the theme value in customer\_index.php, letting authenticated customers inject scripts that execute when administrators view the customer overview, exploit requires authenticated customer access.

CVSS base score 7.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.29% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-109960)

## Details

Type

Stored XSS

Impact

Stored XSS, Broken Authentication, Broken Access Control

CVSS vector

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

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Upgrade to version 2.3.14 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-109960](https://nvd.nist.gov/vuln/detail/CVE-2026-109960)
- [https://github.com/froxlor/froxlor/security/advisories/GHSA-3jpp-mhvh-rv66](https://github.com/froxlor/froxlor/security/advisories/GHSA-3jpp-mhvh-rv66)
- [https://www.vulncheck.com/advisories/froxlor-2.0.0-before-2.3.14-stored-xss-via-customer-theme-value](https://www.vulncheck.com/advisories/froxlor-2.0.0-before-2.3.14-stored-xss-via-customer-theme-value)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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