CVE-2026-109597

Name	CVE-2026-109597
Description	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 (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
hugo (PTS)	bookworm	0.111.3-1	vulnerable
	trixie	0.131.0-1	vulnerable
	forky, sid	0.167.0-7	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
hugo	source	(unstable)	0.167.0-1

https://github.com/gohugoio/hugo/security/advisories/GHSA-wcpj-vcvm-j4pg