CVE-2026-6107 | 1Panel-dev MaxKB up to 2.6.1 ChatHeadersMiddleware chat_headers_middleware.py Name cross site scripting (EUVD-2026-21688)
A vulnerability was found in 1Panel-dev MaxKB up to 2.6.1. It has been rated as problematic. This issue affects some unknown processing of the file apps/common/middleware/chat_headers_middleware.py of the component ChatHeadersMiddleware. This manipulation of the argument Name causes cross site scripting.
This vulnerability is registered as CVE-2026-6107. Remote exploitation of the attack is possible. No exploit is available.
Upgrading the affected component is advised.
The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.