Unauthenticated XSS in CformsII Plugin

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

Unauthenticated Cross Site Scripting (XSS) in CformsII <= 15.1.3 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-15

Last Modified

2026-06-15

Generated

2026-07-06

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-04

NVD

CVE-2026-39435

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is an Unauthenticated Cross Site Scripting (XSS) issue found in CformsII versions 15.1.3 and earlier. It allows an attacker to inject malicious scripts into web pages viewed by other users without needing to be authenticated.

Impact Analysis

The vulnerability can lead to several impacts including the execution of malicious scripts in the context of the victim's browser. This can result in data theft, session hijacking, or other malicious actions. The CVSS score indicates it has a significant impact on confidentiality, integrity, and availability.

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