---
id: CVE-2022-27244
title: An issue was discovered in MISP before 2.4.156
summary: >-
  An issue was discovered in MISP before 2.4.156. A malicious site administrator
  could store an XSS payload in the custom auth name. This would be executed
  each time the administrator modifies a user.
severity: medium
cvss: 4.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: misp-project
product: misp
affected:
  - misp < 2.4.156
patched:
  - misp 2.4.156
published: '2022-03-18'
updated: '2026-06-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-27244'
references:
  - url: >-
      https://github.com/MISP/MISP/commit/61d4d3670593b78e4dab7a11eb620b7a372f30e6
    label: cve@mitre.org
  - url: >-
      https://github.com/MISP/MISP/commit/61d4d3670593b78e4dab7a11eb620b7a372f30e6
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00481
epssPercentile: 0.40647
ingestedAt: '2026-06-29T13:24:33.481Z'
---

## Overview

An issue was discovered in MISP before 2.4.156. A malicious site administrator could store an XSS payload in the custom auth name. This would be executed each time the administrator modifies a user.

## Affected

- `misp < 2.4.156`

## Remediation

Upgrade past the affected range:

- `misp 2.4.156`