EIP-2026-107129

PRE-CVE

FlatNuke 2.5.x - 'index.php' Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-107129. PoCs published by alex@aleksanet.com.

AI-analyzed exploit summary This exploit demonstrates a cross-site scripting (XSS) vulnerability in FlatNuke due to improper input sanitization. The PoC provides URLs with malicious script tags that execute arbitrary JavaScript in the context of the affected site.

Description

FlatNuke 2.5.x - 'index.php' Cross-Site Scripting

Exploits (1)

exploitdb WORKING POC VERIFIED
by alex@aleksanet.com · textwebappsphp
https://www.exploit-db.com/exploits/26385

This exploit demonstrates a cross-site scripting (XSS) vulnerability in FlatNuke due to improper input sanitization. The PoC provides URLs with malicious script tags that execute arbitrary JavaScript in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: FlatNuke (version not specified)
No auth needed
Prerequisites: A vulnerable FlatNuke installation · User interaction to visit the crafted URL
MITRE ATT&CK
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026