{ "id": "CVE-2023-28820", "sourceIdentifier": "cve@mitre.org", "published": "2023-04-28T14:15:10.703", "lastModified": "2023-04-28T17:06:28.060", "vulnStatus": "Awaiting Analysis", "descriptions": [ { "lang": "en", "value": "Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized." } ], "metrics": { "cvssMetricV31": [ { "source": "cve@mitre.org", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 2.0, "baseSeverity": "LOW" }, "exploitabilityScore": 0.5, "impactScore": 1.4 } ] }, "references": [ { "url": "https://github.com/concretecms/concretecms/releases", "source": "cve@mitre.org" }, { "url": "https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20", "source": "cve@mitre.org" } ] }