CVE-2026-39423

Published: Apr 14, 2026 Last Modified: Apr 14, 2026

ExploitDB:

Other exploit source:

Google Dorks:

MEDIUM 6,9

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: low

User Interaction: passive

Confidentiality: N/A

Integrity: N/A

Availability: N/A

Description

AI Translation Available

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an Eval Injection vulnerability in the Markdown rendering engine that allows any user capable of interacting with the AI chat interface to execute arbitrary JavaScript in the browsers of other users, including administrators, resulting in Stored Cross-Site Scripting (XSS). This issue has been fixed in version 2.8.0.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score

0,0004

Percentile

0,1th

Updated

EPSS Score Trend (Last 3 Days)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable

Abstraction: Base Structure: Simple

Common Consequences

Security Scopes Affected:

Access Control Confidentiality Integrity Availability

Potential Impacts:

Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands

Applicable Platforms

Technologies: AI/ML, Web Based, Web Server

Likelihood of Exploit: High

View CWE Details

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

Incomplete

Abstraction: Variant Structure: Simple

Common Consequences

Security Scopes Affected:

Confidentiality Access Control Integrity Availability Other Non-Repudiation

Potential Impacts:

Read Files Or Directories Read Application Data Bypass Protection Mechanism Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands Hide Activities