CVE-2026-100691

A flaw was found in Hugo. The syntax highlighter fails to properly sanitize the lineAnchors option, resulting in a stored Cross-Site Scripting XSS vulnerability. A remote attacker capable of submitting Markdown content can exploit this by supplying a crafted lineAnchors code block attribute. When...

Linux Distros Unpatched Vulnerability : CVE-2026-100691

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before...

DEBIAN-CVE-2026-100691

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

CVE-2026-100691

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

CVE-2026-100691

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

UBUNTU-CVE-2026-100691

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

CVE-2026-100691

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the "lineAnchors" option before passing it to Chroma, which writes the value verbatim into the "id" and "href" attributes of the generated line-number markup. A crafted...

CVE-2026-100691 Hugo before 0.166.0 Stored XSS via lineAnchors code block option

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

EUVD-2026-87664

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

CVE-2026-100691 Hugo before 0.166.0 Stored XSS via lineAnchors code block option

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

CVE-2026-100691

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

CVE-2026-100691 Hugo before 0.166.0 Stored XSS via lineAnchors code block option

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

CVE-2026-100691

Hugo versions 0.75.0 through 0.165.x are vulnerable to a stored cross-site scripting (XSS) flaw in the syntax highlighter. The component fails to escape the lineAnchors option before passing it to Chroma , which writes the value verbatim into the id and href attributes of the generated line-numbe...

PT-2026-99362

Name of the Vulnerable Software and Affected Versions Hugo versions 0.75.0 through 0.165.x Description A stored cross-site scripting issue exists because the syntax highlighter fails to escape the lineAnchors option before passing it to Chroma. This causes the value to be written verbatim into th...

CVE-2026-100691: Improper Neutralization of Input During Web Page Generation

Hugo versions 0.75.0 through 0.165.x contain a stored cross-site scripting vulnerability: the syntax highlighter does not escape the lineAnchors option before passing it to Chroma, which writes the value verbatim into the id and href attributes of the generated line-number markup. A crafted...

github.com/gohugoio/hugo: Hugo: Stored cross-site scripting via unescaped lineAnchors option

A flaw was found in Hugo. The syntax highlighter fails to properly sanitize the lineAnchors option, resulting in a stored Cross-Site Scripting XSS vulnerability. A remote attacker capable of submitting Markdown content can exploit this by supplying a crafted lineAnchors code block attribute. When...