{"id":"CVE-2026-58402","revision":"adbe86f0c06f46caa1432ff2bddfa368","records":[{"revision":"adbe86f0c06f46caa1432ff2bddfa368","observedAt":"2026-10-27T15:15:28.354+00:00","statement":{"source":"nvd","id":"CVE-2026-58402","aliases":[],"title":"Hugo is a static site generator. From 0.60.0 until 0.163.3, Hugo's default code-block renderer wrote the Markdown code-fence language or info-string into the code class=\"language-…\" data-lang=\"…\" wrapper without HTML escaping. A fence info-…","description":"Hugo is a static site generator. From 0.60.0 until 0.163.3, Hugo's default code-block renderer wrote the Markdown code-fence language or info-string into the code class=\"language-…\" data-lang=\"…\" wrapper without HTML escaping. A fence info-string containing a quote and a script payload breaks out of the attribute and injects a live script element. This issue is fixed in 0.163.3.","state":0,"publishedAt":"2026-07-06T20:16:38.04+00:00","modifiedAt":"2026-10-25T20:10:00.147+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":5.1,"severity":"MEDIUM"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4,"severity":"MEDIUM"}],"references":["https://github.com/gohugoio/hugo/commit/ce1a7e0bce3713af40496ded3c2c0ceeed49231d","https://github.com/gohugoio/hugo/pull/15051","https://github.com/gohugoio/hugo/releases/tag/v0.163.3","https://github.com/gohugoio/hugo/security/advisories/GHSA-q76j-gcg9-vxc6"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-58402","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-79"],"productCriteria":["cpe:2.3:a:gohugo:hugo:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-07-06T20:16:38.040","lastModified":"2026-10-25T20:10:00.147"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-58402","identifiers":["CVE-2026-58402"]},"retained":false,"historicalAffected":[]}],"coverage":[]}