Is this vulnerability remotely exploitable?

Yes, in contexts where an attacker can cause 5ire to render untrusted Markdown containing ECharts code blocks—for example, via shared documents, synchronized notes, or other collaborative inputs. The exploit executes in the renderer context and may escalate to full RCE if privileged APIs are exposed.

What level of access does an attacker need?

An attacker must be able to submit or influence ECharts code blocks that 5ire will render. This could be through direct user input (if the user is tricked into pasting or importing malicious content) or through any integration that feeds Markdown/ECharts content into the application.

What is the safest general fix pattern for developers?

The most robust fix is to treat all chart configuration as pure data: remove or disable support for executable JavaScript in ECharts options sourced from untrusted content, enforce strict schema validation, and refactor any dynamic evaluation mechanisms into data-only parsing. Additionally, restrict renderer privileges so that even if JavaScript runs, it cannot directly compromise the host.

Severity:

CRITICAL RISK

(9.6)

Code Injection via Unsafe Option Parsing (CWE-94) in 5ire ECharts Markdown Plugin

CVE-2026-22793

Published:

Jan 21, 2026

Status:

Analyzed

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:

Code Injection

CWE:

CWE-94

Impact:

Remote Code Execution via Arbitrary JavaScript in Renderer Context

Severity:

CRITICAL RISK

(9.6)

CVSS Version:

3.1

Vulnerability Type

Category:

Code Injection

CWE:

CWE-94

Impact:

Remote Code Execution via Arbitrary JavaScript in Renderer Context

Severity:

CRITICAL RISK

(9.6)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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Code Injection via Unsafe Option Parsing (CWE-94) in 5ire ECharts Markdown Plugin

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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