GFI HelpDesk < 4.99.9 Stored XSS via Troubleshooter Step Subject_CVE-2026-23756

{
    "lastseen": "",
    "description": "GFI HelpDesk before\u00a04.99.9 contains a stored cross-site scripting vulnerability in the Troubleshooter module where the subject POST parameter is not sanitized in Controller_Step.InsertSubmit() and EditSubmit() before being rendered by View_Step.RenderViewSteps(). An authenticated staff member can inject arbitrary JavaScript into the step subject field, and the payload executes when any user navigates to Troubleshooter > View Troubleshooter and clicks the affected step link.",
    "published": "2026-04-20T17:30:51.162Z",
    "modified": "2026-04-20T18:08:49.925Z",
    "type": "cve",
    "title": "GFI HelpDesk < 4.99.9 Stored XSS via Troubleshooter Step Subject",
    "source": "VulnCheck",
    "references": "https://gfi.ai/products-and-solutions/email-and-messaging-solutions/helpdesk/resources/product-releases\nhttps://www.vulncheck.com/advisories/gfi-helpdesk-stored-xss-via-troubleshooter-step-subject",
    "id": "CVE-2026-23756",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "GFI Software HelpDesk 0",
    "sourceHref": "",
    "cvss": {
        "score": 5.1,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "HelpDesk",
    "version": "0",
    "vendor": "GFI Software",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}