EIP-2026-111428

PRE-CVE

PostNuke 0.723 - 'user.php' UNAME Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-111428. PoCs published by David F. Madrid.

AI-analyzed exploit summary The exploit demonstrates a cross-site scripting (XSS) vulnerability in PostNuke's 'user.php' script due to insufficient sanitization of URI parameters. The provided URL injects malicious JavaScript code via the 'uname' parameter, which executes in the context of the victim's browser.

Description

PostNuke 0.723 - 'user.php' UNAME Cross-Site Scripting

Exploits (1)

exploitdb WORKING POC VERIFIED
by David F. Madrid · textwebappsphp
https://www.exploit-db.com/exploits/22767

The exploit demonstrates a cross-site scripting (XSS) vulnerability in PostNuke's 'user.php' script due to insufficient sanitization of URI parameters. The provided URL injects malicious JavaScript code via the 'uname' parameter, which executes in the context of the victim's browser.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: PostNuke (version not specified)
No auth needed
Prerequisites: Victim must visit a crafted URL
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026