EIP-2026-113011

PRE-CVE

vBulletin 5.6.3 - 'group' Cross Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-113011. PoCs published by Vincent666.

AI-analyzed exploit summary This exploit demonstrates a Cross-Site Scripting (XSS) vulnerability in vBulletin 5.6.3 by injecting malicious JavaScript into the 'group' parameter of the template.php file in the Admin Control Panel. The PoC provides a step-by-step guide to trigger the XSS payload, which executes arbitrary JavaScript code in the context of the victim's browser session.

Description

vBulletin 5.6.3 - 'group' Cross Site Scripting

Exploits (1)

exploitdb WORKING POC
by Vincent666 · textwebappsphp
https://www.exploit-db.com/exploits/49209

This exploit demonstrates a Cross-Site Scripting (XSS) vulnerability in vBulletin 5.6.3 by injecting malicious JavaScript into the 'group' parameter of the template.php file in the Admin Control Panel. The PoC provides a step-by-step guide to trigger the XSS payload, which executes arbitrary JavaScript code in the context of the victim's browser session.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: vBulletin 5.6.3
Auth required
Prerequisites: Access to the Admin Control Panel · Valid administrative credentials
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026