CVE-2026-67196
Received Received - Intake

Cross-Site Scripting in Perspective 5.0.0 Debug Plugin

Publication date: 2026-08-04

Last updated on: 2026-08-04

Assigner: VulnCheck

Description
Perspective 5.0.0 contains a cross-site scripting vulnerability in the built-in Debug plugin that allows attackers to inject arbitrary HTML and JavaScript by writing table cell values containing unescaped HTML markup, which are interpolated directly into innerHTML during CSV serialization rendering. Attackers can craft table rows with payloads such as unquoted attribute injections containing event handler attributes that bypass RFC 4180 quoting, since angle brackets and event handler attributes are never escaped before assignment, causing malicious scripts to execute in the embedding page's origin.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-04
Last Modified
2026-08-04
Generated
2026-08-04
AI Q&A
2026-08-04
EPSS Evaluated
N/A
NVD
CVE-2026-67196
EUVD
EUVD-2026-52693

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
perspective 5.0.0 *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
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

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a cross-site scripting (XSS) vulnerability in Perspective 5.0.0's Debug plugin. It allows attackers to inject malicious HTML and JavaScript by inserting unescaped HTML markup into table cell values. These payloads bypass RFC 4180 quoting rules and execute directly in the embedding page's origin during CSV serialization rendering.

Detection Guidance

To detect this vulnerability, inspect Perspective installations for version 5.0.0 or below. Check if the Debug plugin is enabled and review table cell values for unescaped HTML markup or event handler attributes. No specific commands are provided in the context.

Impact Analysis

An attacker could steal sensitive data like session cookies or credentials, perform actions on behalf of the user, or deface the website. The impact depends on user privileges and the application's context, but it generally enables client-side code execution in the victim's browser.

Compliance Impact

This XSS vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality requirements or HIPAA's safeguards for protected health information. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Immediately upgrade Perspective to a version beyond 5.0.0 where the Debug plugin issue is fixed. If upgrading is not possible, disable the Debug plugin entirely to prevent exploitation.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-67196. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart