Siemens XSS: Untrusted CSV Trace Names in Error Messages
CVE-2026-63356 Published on October 13, 2026
Affected devices do not properly sanitize calculated signal names contained in imported CSV trace files before including them in error messages on the Trace page. This could allow an attacker to social engineer an authorized user who holds the function right Read diagnostics into importing a specially crafted trace file. Attacker-controlled JavaScript could be executed in the users browser session when the resulting error message is displayed.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-63356 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-63356
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Affected Versions
Siemens SIMATIC Drive Controller CPU 1504D TF:- Before * is affected.
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