CVE-2026-39423
MEDIUMStored XSS via Eval Injection in EchartsRander Component
Title source: cnaDescription
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.
References (3)
Scores
CVSS v3
5.4
EPSS
0.0003
EPSS Percentile
8.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
CWE-95
Status
published
Products (2)
1Panel-dev/MaxKB
< 2.8.0
maxkb/maxkb
< 2.8.0
Published
Apr 14, 2026
Tracked Since
Apr 14, 2026