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OpenAdvisories
Medium · 6.9 CVE-2026-39423 EUVD-2026-22184

Stored XSS via Eval Injection in EchartsRander Component

Published Apr 14, 2026 · Updated Apr 14, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
1Panel-dev MaxKB < 2.8.0 —

References