CVE-2026-23756

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.99.9)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "HelpDesk", "source": "cna", "vendor": "GFI Software"}, "product": "helpdesk", "vendor": "gfi"}], "analysis": {"en": {"generated_at": "2026-04-20T18:35:08.042420+00:00", "value": {"mitigation_remediation": ["Upgrade to GFI HelpDesk version 4.99.9 or later to contain the sanitization fix.", "Limit staff accounts to the minimum permissions required for troubleshooting, avoiding unrestricted access to the Troubleshooter step subject field. ", "Enable a content security policy (CSP) on the HelpDesk web interface to reduce the impact of any residual XSS payloads."], "summary": {"action": "Patch Immediately", "impact": "Stored cross\u2011site scripting via the Troubleshooter step subject field"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the GFI Software HelpDesk product, specifically versions before 4.99.9.", "description_and_impact": "GFI HelpDesk versions prior to 4.99.9 have a stored XSS flaw within the Troubleshooter module. The subject parameter is accepted, stored, and rendered without sanitization. An attacker who can authenticate as a staff member can inject JavaScript into the subject; the code runs in the browser of any user who later views the step, enabling malicious scripts to execute on legitimate user sessions.", "risk_and_exploitability": "The CVSS score of 5.1 indicates moderate severity. No EPSS score is available, and the issue is not listed in the CISA KEV catalog. An authenticated staff member can exploit the flaw, and any user who views the affected step in the Troubleshooter interface becomes a victim of the injected script. The attack requires legitimate staff credentials but offers widespread impact on any user accessing the module."}}}}, "created": "2026-04-20T18:45:14.223848+00:00", "updated": "2026-04-22T11:47:27.286795+00:00", "vendors": ["gfi", "gfi$PRODUCT$helpdesk"]}