---
id: CVE-2021-37743
title: >-
  app/View/GalaxyElements/ajax/index.ctp in MISP 2.4.147 allows Stored XSS when
  viewing galaxy cluster elements in JSON format.
summary: >-
  app/View/GalaxyElements/ajax/index.ctp in MISP 2.4.147 allows Stored XSS when
  viewing galaxy cluster elements in JSON format.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: misp-project
product: misp
affected:
  - misp = 2.4.147
published: '2021-07-30'
updated: '2026-06-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-37743'
references:
  - url: >-
      https://github.com/MISP/MISP/commit/f318f7c0ddac7dfd2b1f246fd8f488d9dfc3a4bf
    label: cve@mitre.org
  - url: >-
      https://github.com/MISP/MISP/commit/f318f7c0ddac7dfd2b1f246fd8f488d9dfc3a4bf
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00677
epssPercentile: 0.5015
ingestedAt: '2026-06-29T13:24:33.478Z'
---

## Overview

app/View/GalaxyElements/ajax/index.ctp in MISP 2.4.147 allows Stored XSS when viewing galaxy cluster elements in JSON format.

## Affected

- `misp = 2.4.147`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.