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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.3.12252"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "ZKTeco ZKAccess Security System", "source": "cna", "vendor": "ZKTeco Inc."}, "product": "zkaccess_security_system", "vendor": "zkteco"}], "analysis": {"en": {"generated_at": "2026-03-21T15:06:46.158991+00:00", "value": {"mitigation_remediation": ["Apply the vendor patch for ZKAccess Security System as soon as it becomes available.", "Limit access to the web interface so that only trusted users can submit holiday_name and memo data.", "Implement input validation and output encoding for all user\u2011supplied fields to prevent stored XSS attacks."], "summary": {"action": "Apply Patch", "impact": "Stored Cross\u2011Site Scripting that allows arbitrary client\u2011side code execution"}, "threat_synthesis": {"affected_systems": "This vulnerability affects ZKTeco Inc.\u2019s ZKAccess Security System, version 5.3.1. No other versions are listed as affected in the available data.", "description_and_impact": "A stored cross\u2011site scripting flaw in ZKTeco ZKAccess Security System permits attackers to embed malicious HTML and JavaScript by submitting crafted values for the holiday_name and memo parameters. The injected payload is saved and later rendered to any user who views the affected page, enabling attackers to run arbitrary code within the victim\u2019s browser session and obtain sensitive data present on that page.", "risk_and_exploitability": "The CVSS score of 5.1 places the issue in the Medium severity range, while an EPSS score of less than 1% indicates a low likelihood of exploitation. The vulnerability is not catalogued in CISA\u2019s KEV catalog. Based on the description, the attack vector is remote, relying on an attacker\u2019s ability to send HTTP POST requests containing malicious payloads to the system\u2019s web interface; this inference is made from the mention of POST parameters.\""}}}}, "created": "2026-03-16T09:21:39.041017+00:00", "updated": "2026-03-23T14:01:44.557927+00:00", "vendors": ["zkteco", "zkteco$PRODUCT$zkaccess_security_system"]}