{"id":"CVE-2026-63354","published":"2026-10-13T10:17:18Z","modified":"2026-10-16T18:17:59Z","title":"Affected devices do not properly validate and sanitize visual marker data contained in imported CSV trace files before…","vendor":"Siemens","product":"SIMATIC Drive Controller CPU 1504D TF","tier":"core","eol":null,"description":{"text":"Affected devices do not properly validate and sanitize visual marker data contained in imported CSV trace files before rendering it on the Trace page.\r\n\r\nThis could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted trace file. Successful exploitation could allow attacker-controlled JavaScript to execute in the user’s browser session and perform PLC operations through the web server within the scope of the user’s authorization.","provenance":"source","from":"NVD"},"summary":{"text":"A stored or reflected cross-site scripting flaw exists in the Trace page of the Siemens SIMATIC Drive Controller CPU 1504D TF, where visual marker data from imported CSV trace files is rendered without proper validation or sanitization. An attacker who can get an authorized user holding the \"Read diagnostics\" function right to import a specially crafted trace file, typically through social engineering over the network, can execute JavaScript in that user's browser session and carry out PLC operations through the web server within that user's permissions.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:19:03Z"},"cvss":{"score":9.6,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00314,"percentile":0.24287,"date":"2026-10-30","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":9,"pulses":[{"name":"Known_Cve | Oct 22, 2026 | Part 1/4","url":"https://otx.alienvault.com/pulse/6ad8d340ce8bef7ffa79b89b","created":"2026-10-21"},{"name":"Known_Cve | Oct 21, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad7813c340f998d3db4d0bb","created":"2026-10-20"},{"name":"Known_Cve | Oct 20, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad62f708ed98220bccde9c8","created":"2026-10-19"},{"name":"Known_Cve | Oct 19, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad4ddae89608f8a66f58915","created":"2026-10-18"},{"name":"Known_Cve | Oct 18, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad38c2e0aa0d5de6ee8bb52","created":"2026-10-17"},{"name":"Known_Cve | Oct 17, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad23ab69d40bd72818ecdae","created":"2026-10-16"},{"name":"Known_Cve | Oct 16, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6ad0e93a078e6220a69919cf","created":"2026-10-15"},{"name":"Known_Cve | Oct 15, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6acf9878b4135e4a2037eb34","created":"2026-10-14"},{"name":"Known_Cve | Oct 14, 2026 | Part 3/3","url":"https://otx.alienvault.com/pulse/6ace46861569c0833e65dba1","created":"2026-10-13"}],"provenance":"machine"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-591731.html","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-98385","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98385","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-13","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63354","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":13.8,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":4.86,"detail":"percentile 0.2429"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":2.27,"detail":"9 pulses"},{"name":"CVSS severity","points":6.72,"detail":"base score 9.6"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}