{"id":"CVE-2026-63357","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-63357","generatedAt":"2026-10-28T01:02:15.820Z","title":"This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted file.","description":"Affected devices do not properly sanitize calculated signal data contained in imported calculated signal 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 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.","published":"2026-10-13T10:17:20.000Z","lastModified":"2026-10-15T20:38:04.000Z","status":"Awaiting Analysis","sourceIdentifier":"productcert@siemens.com","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00187,"percentile":0.0823,"date":"2026-10-26","history":[{"date":"2026-10-14","score":0.00253,"percentile":0.15628}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-13T10:17:20.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-13T10:17:19.710Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-591731.html","source":"productcert@siemens.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63357","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}