{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58394", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-30T18:19:58.378Z", "datePublished": "2026-10-15T15:20:15.232Z", "dateUpdated": "2026-10-15T15:20:15.232Z"}, "containers": {"cna": {"title": "OPNsense: Stored XSS in Administration Settings via Certificate Description", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/opnsense/core/security/advisories/GHSA-8pgr-x852-qx4j", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/opnsense/core/security/advisories/GHSA-8pgr-x852-qx4j"}, {"name": "https://github.com/opnsense/core/commit/9d0a590e9c49f4374a5539929b366123f63bc9eb", "tags": ["x_refsource_MISC"], "url": "https://github.com/opnsense/core/commit/9d0a590e9c49f4374a5539929b366123f63bc9eb"}, {"name": "https://github.com/opnsense/core/commit/adcb02f8f68071e636bf9660b2cb8d0229f34674", "tags": ["x_refsource_MISC"], "url": "https://github.com/opnsense/core/commit/adcb02f8f68071e636bf9660b2cb8d0229f34674"}, {"name": "https://hackerask.com/posts/opnsense", "tags": ["x_refsource_MISC"], "url": "https://hackerask.com/posts/opnsense"}], "affected": [{"vendor": "opnsense", "product": "core", "versions": [{"version": "< 26.1.11", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-15T15:20:15.232Z"}, "descriptions": [{"lang": "en", "value": "OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, src/www/system_advanced_admin.php reads certificate records into $a_cert but omits that array from legacy_html_escape_form_data() before rendering each certificate descr value in the SSL Certificate selector. The certificate description accepts HTML metacharacters, allowing a user with the page-system-certmanager privilege to store markup that executes when another user opens System Settings Administration. This issue is fixed in version 26.1.11."}], "source": {"advisory": "GHSA-8pgr-x852-qx4j", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}