CVE-2020-27406

MEDIUM

DynPG 4.9.1 - Authenticated Cross-Site Scripting via Groupname

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-27406. PoCs published by Enes Özeser.

AI-analyzed exploit summary This exploit demonstrates a persistent XSS vulnerability in DynPG 4.9.1, where an authenticated attacker can inject malicious JavaScript into the 'Groupname' field, which executes when viewed by other users.

Description

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

Exploits (1)

exploitdb WORKING POC
by Enes Özeser · textwebappsphp
https://www.exploit-db.com/exploits/48865

This exploit demonstrates a persistent XSS vulnerability in DynPG 4.9.1, where an authenticated attacker can inject malicious JavaScript into the 'Groupname' field, which executes when viewed by other users.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: DynPG 4.9.1
Auth required
Prerequisites: Authenticated access to the admin panel
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Product x_refsource_misc
http://dynpg.com
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/48865

Scores

CVSS v3 5.4
EPSS 0.0075
EPSS Percentile 50.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
dynpg/dynpg 4.9.1
Published Nov 02, 2021
Tracked Since Feb 18, 2026