---
id: CVE-2020-27406
title: >-
  Cross Site Scripting (XSS) vulnerability in DynPG 4.9.1, allows authenticated
  attackers to execute arbitrary code via the groupname.
summary: >-
  Cross Site Scripting (XSS) vulnerability in DynPG 4.9.1, allows authenticated
  attackers to execute arbitrary code via the groupname.
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: dynpg
product: dynpg
affected:
  - dynpg = 4.9.1
published: '2021-11-02'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-27406'
references:
  - url: 'https://www.exploit-db.com/exploits/48865'
    label: cve@mitre.org
  - url: 'http://dynpg.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.exploit-db.com/exploits/48865'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00764
epssPercentile: 0.53436
ingestedAt: '2026-07-06T01:08:17.049Z'
---

## Overview

Cross Site Scripting (XSS) vulnerability in DynPG 4.9.1, allows authenticated attackers to execute arbitrary code via the groupname.

## Affected

- `dynpg = 4.9.1`

## Remediation

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