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Festo: Cross-Site-Scripting (XSS) vulnerability in LX-Appliance

VDE-2023-040
Last update
01.10.2025 12:00
Published at
29.08.2023 12:00
Vendor(s)
Festo SE & Co. KG
External ID
FSA-202301
CSAF Document
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Summary

A vulnerability in the Video.js package could allow a user of LX Appliance, with a high privilege account (i.e., with the "Teacher" role), to craft a malicious course and launch an XSS attack.

Impact

Affected Product(s)

Model no. Product name Affected versions
8167959, 8167960, 8167961, 8167962, 8167963, 8167964 LX Appliance <June2023 LX Appliance <June2023

Vulnerabilities

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Published
06.10.2025 14:04
Severity
6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79)
Summary

This affects the package video.js before 7.14.3. The src attribute of track tag allows to bypass HTML escaping and execute arbitrary code.

References
cve.org | nvd.nist.gov

Remediation

Contact Festo Didactic services department at services.didactic@festo.com to update your LX Appliance to the latest version.

Acknowledgments

Festo SE & Co. KG thanks the following parties for their efforts:

Revision History

Version Date Summary
1.0.0 29.08.2023 12:00 Initial revision.
1.0.1 01.10.2025 12:00 Adjusted to VDE template. Changed title from "Video.js Cross-Site-Scripting (XSS) vulnerability in LX Appliance" to "Festo: Cross-Site-Scripting (XSS) vulnerability in LX-Appliance".