EIP-2026-100857

PRE-CVE

MetaDot Portal Server 5.6.x - 'userchannel.pl?op' Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100857. PoCs published by JeiAr.

AI-analyzed exploit summary The exploit demonstrates a cross-site scripting (XSS) vulnerability in MetaDot Portal Server by injecting an iframe via the 'op' parameter in the userchannel.pl script. The lack of input validation allows arbitrary HTML/JS execution in the context of the victim's session.

Description

MetaDot Portal Server 5.6.x - 'userchannel.pl?op' Cross-Site Scripting

Exploits (1)

exploitdb WORKING POC VERIFIED
by JeiAr · textwebappscgi
https://www.exploit-db.com/exploits/23551

The exploit demonstrates a cross-site scripting (XSS) vulnerability in MetaDot Portal Server by injecting an iframe via the 'op' parameter in the userchannel.pl script. The lack of input validation allows arbitrary HTML/JS execution in the context of the victim's session.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: MetaDot Portal Server (all versions)
No auth needed
Prerequisites: Victim interaction (e.g., clicking a malicious link)
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026