Security Advisory

CVE-2026-86644

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-08 13:30:14

Last updated 2026-09-08 15:42:58

Assigner VulDB

CVSS score 5.1

State PUBLISHED

Description

A vulnerability was determined in star7th showdoc up to 3.9.1. This vulnerability affects unknown code of the file web_src/public/editor.md/editormd.js of the component API Page Save Endpoint. Executing a manipulation can lead to cross site scripting. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 3.9.2 is able to resolve this issue. This patch is called a8ea1520850b4242f395247f72e87e597506cef0. Upgrading the affected component is recommended. The vendor confirms: "The fix [...] sets Mermaid `securityLevel` to `strict`, disables `htmlLabels`, and sanitizes rendered SVG with DOMPurify."

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