{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58402", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-30T18:19:58.378Z", "datePublished": "2026-07-06T19:19:58.754Z", "dateUpdated": "2026-07-06T20:54:38.775Z"}, "containers": {"cna": {"title": "Hugo default code block renderer XSS via unescaped code-fence language", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM", "vectorString": "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", "version": "4.0"}}], "references": [{"name": "https://github.com/gohugoio/hugo/security/advisories/GHSA-q76j-gcg9-vxc6", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gohugoio/hugo/security/advisories/GHSA-q76j-gcg9-vxc6"}, {"name": "https://github.com/gohugoio/hugo/pull/15051", "tags": ["x_refsource_MISC"], "url": "https://github.com/gohugoio/hugo/pull/15051"}, {"name": "https://github.com/gohugoio/hugo/commit/ce1a7e0bce3713af40496ded3c2c0ceeed49231d", "tags": ["x_refsource_MISC"], "url": "https://github.com/gohugoio/hugo/commit/ce1a7e0bce3713af40496ded3c2c0ceeed49231d"}, {"name": "https://github.com/gohugoio/hugo/releases/tag/v0.163.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/gohugoio/hugo/releases/tag/v0.163.3"}], "affected": [{"vendor": "gohugoio", "product": "hugo", "versions": [{"version": ">= 0.60.0, < 0.163.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-06T19:19:58.754Z"}, "descriptions": [{"lang": "en", "value": "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-\u2026\" data-lang=\"\u2026\" 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."}], "source": {"advisory": "GHSA-q76j-gcg9-vxc6", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-06T20:52:58.622823Z", "id": "CVE-2026-58402", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-06T20:54:38.775Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-58402", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-06T20:52:58.622823Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-06T20:54:16.440Z"}}], "cna": {"title": "Hugo default code block renderer XSS via unescaped code-fence language", "source": {"advisory": "GHSA-q76j-gcg9-vxc6", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "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", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "gohugoio", "product": "hugo", "versions": [{"status": "affected", "version": ">= 0.60.0, < 0.163.3"}]}], "references": [{"url": "https://github.com/gohugoio/hugo/security/advisories/GHSA-q76j-gcg9-vxc6", "name": "https://github.com/gohugoio/hugo/security/advisories/GHSA-q76j-gcg9-vxc6", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/gohugoio/hugo/pull/15051", "name": "https://github.com/gohugoio/hugo/pull/15051", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/gohugoio/hugo/commit/ce1a7e0bce3713af40496ded3c2c0ceeed49231d", "name": "https://github.com/gohugoio/hugo/commit/ce1a7e0bce3713af40496ded3c2c0ceeed49231d", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/gohugoio/hugo/releases/tag/v0.163.3", "name": "https://github.com/gohugoio/hugo/releases/tag/v0.163.3", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "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-\u2026\" data-lang=\"\u2026\" 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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-06T19:19:58.754Z"}}}, "cveMetadata": {"cveId": "CVE-2026-58402", "state": "PUBLISHED", "dateUpdated": "2026-07-06T20:54:38.775Z", "dateReserved": "2026-06-30T18:19:58.378Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-06T19:19:58.754Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.60.0,0.163.3)"}}], "enrichment": {"confidence": 92.0, "confidence_source": "matching", "scores": [{"score": 92.0, "source": "matching"}]}, "original": {"product": "hugo", "source": "cna", "vendor": "gohugoio"}, "product": "hugo", "vendor": "gohugo"}], "created": "2026-07-06T22:15:15.521617+00:00", "updated": "2026-07-06T22:15:15.521639+00:00", "vendors": ["gohugo", "gohugo$PRODUCT$hugo"]}