CVE-2026-109597 — Hugo v0.60.0 before v0.167.0 Stored XSS via Table of Contents Heading IDs
Hugo from v0.60.0 before v0.167.0 contains a stored cross-site scripting vulnerability that allows Markdown content authors to inject HTML by supplying crafted explicit heading …
Published: 2026-10-12 · CVSS: 5.1 · CVSS 4.0
Hugo from v0.60.0 before v0.167.0 contains a stored cross-site scripting vulnerability that allows Markdown content authors to inject HTML by supplying crafted explicit heading IDs. Attackers can break out of the unescaped href attribute in .TableOfContents or .Fragments.ToHTML output to inject elements with event handlers into rendered pages.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7