EIP-2026-113023

PRE-CVE

vBulletin Two-Step External Link Module - 'externalredirect.php' Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-113023. PoCs published by Edgard Chammas.

AI-analyzed exploit summary The provided text describes a cross-site scripting (XSS) vulnerability in the Two-Step External Link module for vBulletin, where user-supplied input via the 'url' parameter in 'externalredirect.php' is not properly sanitized. This allows arbitrary script execution in the context of the affected site.

Description

vBulletin Two-Step External Link Module - 'externalredirect.php' Cross-Site Scripting

Exploits (1)

exploitdb WRITEUP VERIFIED
by Edgard Chammas · textwebappsphp
https://www.exploit-db.com/exploits/33854

The provided text describes a cross-site scripting (XSS) vulnerability in the Two-Step External Link module for vBulletin, where user-supplied input via the 'url' parameter in 'externalredirect.php' is not properly sanitized. This allows arbitrary script execution in the context of the affected site.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: vBulletin Two-Step External Link module
No auth needed
Prerequisites: Access to the vulnerable endpoint · User interaction to trigger the payload
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026