---
id: CVE-2021-41318
title: >-
  In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint
  failed to adequately sanitize malicious input
summary: >-
  In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint
  failed to adequately sanitize malicious input. which could allow an
  unauthenticated attacker to execute arbitrary code in a victim's browser.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: progress
product: whatsup_gold
affected:
  - whatsup_gold < 21.1.0
patched:
  - whatsup_gold 21.1.0
published: '2021-09-28'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T16:48:10.767'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-41318'
references:
  - url: >-
      http://packetstormsecurity.com/files/164359/WhatsUpGold-21.0.3-Cross-Site-Scripting.html
    label: cve@mitre.org
  - url: >-
      https://knowledgebase.progress.com/articles/Knowledge/WhatsUp-Gold-Security-Bulletin-September-2021
    label: cve@mitre.org
  - url: >-
      http://packetstormsecurity.com/files/164359/WhatsUpGold-21.0.3-Cross-Site-Scripting.html
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://knowledgebase.progress.com/articles/Knowledge/WhatsUp-Gold-Security-Bulletin-September-2021
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - exploit-available
epss: 0.05881
epssPercentile: 0.92947
exploits:
  exploitdb: true
  checkedAt: '2026-09-25T17:13:48.609Z'
exploitAvailable: true
ingestedAt: '2026-09-25T17:13:13.992Z'
---

## Overview

In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint failed to adequately sanitize malicious input. which could allow an unauthenticated attacker to execute arbitrary code in a victim's browser.

## Affected

- `whatsup_gold < 21.1.0`

## Remediation

Upgrade past the affected range:

- `whatsup_gold 21.1.0`