---
title: "CVE-2026-112066: Web Application - Stored XSS"
description: "A web application contains a stored XSS vulnerability caused by improper permission checks during JSON import of cookie consent configuration, letting non-admin backend users add arbitrary scripts to the frontend, exploit requires non-admin backend access."
url: https://panop.io/threat-heartbeat/CVE-2026-112066/
---

# CVE-2026-112066 Web Application - Stored XSS

A web application contains a stored XSS vulnerability caused by improper permission checks during JSON import of cookie consent configuration, letting non-admin backend users add arbitrary scripts to the frontend, exploit requires non-admin backend access.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-112066)

## Details

Type

Stored XSS

Impact

Stored XSS, Client Script Exec

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

20 October 2026

Updated

20 October 2026

Weakness

[CWE-862](https://cwe.mitre.org/data/definitions/862.html)

## Vendor fix

Restrict JSON import functionality to admin users only and validate permissions properly.

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-2026-112066](https://nvd.nist.gov/vuln/detail/CVE-2026-112066)
- [https://typo3.org/security/advisory/typo3-ext-sa-2026-029](https://typo3.org/security/advisory/typo3-ext-sa-2026-029)

[← All CVEs](https://panop.io/threat-heartbeat/)

## 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

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)