Is this vulnerability remotely exploitable?

Yes. If an attacker can remotely create or modify page content that is later added to a navigation menu, they can store a payload that executes in the browser of anyone who views the affected admin or public pages.

What level of access does an attacker need?

The attacker must be able to influence page-related data that can be linked in menus—this could be via a low-privileged content role, a compromised user account, or any functionality that ingests untrusted input and surfaces it through the Pages section.

What is the safest general fix pattern?

Consistently apply context-aware output encoding to all data rendered into HTML, attributes, URLs, and scripts, and ensure client-side code uses safe DOM APIs that treat incoming data as text rather than HTML or JavaScript.

Severity:

CRITICAL RISK

(9.1)

Stored DOM-Based Cross-Site Scripting (CWE-79) in CI4MS Menu Management

CVE-2026-34564

Published:

Apr 1, 2026

Status:

Undergoing Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Cross-Site Scripting (XSS)

CWE:

CWE-79

Impact:

Client-Side Code Execution / Session Compromise

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Cross-Site Scripting (XSS)

CWE:

CWE-79

Impact:

Client-Side Code Execution / Session Compromise

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

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355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Stored DOM-Based Cross-Site Scripting (CWE-79) in CI4MS Menu Management

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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