CVE-2018-20165

MEDIUM

OpenText Portal 7.4.4 - Cross-Site Scripting via vgnextoid Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-20165. PoCs published by hect0rS.

AI-analyzed exploit summary This repository contains a writeup describing a reflected XSS vulnerability in OpenText Portal v7.4.4, where arbitrary JavaScript can be injected via the vgnextoid URI parameter by closing an HTML comment sequence. The writeup includes evidence screenshots but no exploit code.

Description

Cross-site scripting (XSS) vulnerability in OpenText Portal 7.4.4 allows remote attackers to inject arbitrary web script or HTML via the vgnextoid parameter to a menuitem URI.

Exploits (1)

nomisec WRITEUP
by hect0rS · poc
https://github.com/hect0rS/Reflected-XSS-on-Opentext-Portal-v7.4.4

This repository contains a writeup describing a reflected XSS vulnerability in OpenText Portal v7.4.4, where arbitrary JavaScript can be injected via the vgnextoid URI parameter by closing an HTML comment sequence. The writeup includes evidence screenshots but no exploit code.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: OpenText Portal v7.4.4
No auth needed
Prerequisites: Access to a vulnerable OpenText Portal instance
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 6.1
EPSS 0.0095
EPSS Percentile 76.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
opentext/opentext_portal 7.4.4
Published Mar 22, 2019
Tracked Since Feb 18, 2026