CVE-2026-84695

BookStack versions before 26.05.4 are affected by a stored cross-site scripting (XSS) vulnerability in the drawing upload endpoint , which accepts unvalidated base64 content and stores it without content inspection. Attackers holding editor permissions can upload SVG files containing scripts that...

CVE-2026-75916

SiYuan through 3.7.3 contains a cross-site scripting vulnerability in the '' block-reference autocomplete hint popup. In genHintItemHTML app/src/protyle/hint/extend.ts, a candidate block's name, alias, and memo fields are concatenated into the popup's HTML without escaping. An attacker who can se...

CVE-2026-22813

OpenCode is an open source AI coding agent. The markdown renderer used for LLM responses will insert arbitrary HTML into the DOM. There is no sanitization with DOMPurify or even a CSP on the web interface to prevent JavaScript execution via HTML injection. This means controlling the LLM response...