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Solution
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Mon, 28 Sep 2026 18:30:00 +0000
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| Metrics |
ssvc
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Sat, 26 Sep 2026 13:30:00 +0000
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| Description | 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 `lineAnchors` value supplied as a Markdown code fence attribute (or passed to the `highlight` template function) results in unescaped HTML in the rendered page, allowing arbitrary JavaScript to execute in the browsers of visitors to the generated site. This affects sites that build and publish Markdown from untrusted contributors; Hugo's security model otherwise considers content trusted input. Fixed in 0.166.0, where the `lineAnchors` value is HTML-escaped before being passed to Chroma. | |
| Title | Hugo before 0.166.0 Stored XSS via lineAnchors code block option | |
| First Time appeared |
Gohugo
Gohugo hugo |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:gohugo:hugo:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Gohugo
Gohugo hugo |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-28T17:51:34.652Z
Reserved: 2026-09-26T02:37:41.037Z
Link: CVE-2026-100691
Updated: 2026-09-28T17:51:26.171Z
Status : Awaiting Analysis
Published: 2026-09-26T14:16:53.710
Modified: 2026-09-28T18:17:15.440
Link: CVE-2026-100691
No data.
OpenCVE Enrichment
Updated: 2026-09-26T16:45:14Z