CVE-2026-30934 FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse)

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-beta and 1.2.2-stable, Stored XSS is possible via share metadata fields e.g., title, description that are rendered into HTML for /public/share/ without context-aware escaping. The server uses text/template instead ...

CVE-2026-30934 FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse)

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-beta and 1.2.2-stable, Stored XSS is possible via share metadata fields e.g., title, description that are rendered into HTML for /public/share/ without context-aware escaping. The server uses text/template instead ...

CVE-2026-30934

CVE-2026-30934 affects FileBrowser Quantum (self-hosted web-based file manager). Prior to versions 1.3.1-beta and 1.2.2-stable, a Stored XSS exists via share metadata fields (e.g., title, description) that are rendered into HTML for /public/share/. The server uses Go text/template instead of html...

GHSA-R633-FCGP-M532 FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse)

Summary Stored XSS is possible via share metadata fields e.g., title, description that are rendered into HTML for /public/share/ without context-aware escaping. The server uses text/template instead of html/template, allowing injected scripts to execute when victims visit the share URL. Details T...