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Vulnerability record · CVE-2019-13538 · published 17 September 2019

CVE-2019-13538: Codesys cross-site scripting vulnerability

Codesys · Codesys

3S-Smart Software Solutions GmbH CODESYS V3 Library Manager, all versions prior to 3.5.16.0, allows the system to display active library content without checking its validity, which may allow the contents of manipulated libraries to be displayed or executed. The issue also exists for source libraries, but 3S-Smart Software Solutions GmbH strongly recommends distributing compiled libraries only.

8.6 CVSS 3.1 High EPSS 0.85% · top 43.4% CWE-79 · Cross-site scripting
8.6CVSS 3.1 base score, v2 6.8
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

3S-Smart Software Solutions GmbH CODESYS V3 Library Manager, all versions prior to 3.5.16.0, allows the system to display active library content without checking its validity, which may allow the contents of manipulated libraries to be displayed or executed. The issue also exists for source libraries, but 3S-Smart Software Solutions GmbH strongly recommends distributing compiled libraries only.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12940&token=7723e5ed99830656f487e218e73dce2de751102f Vendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-255-02 Third Party AdvisoryUS Government Resource
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12940&token=7723e5ed99830656f487e218e73dce2de751102f Vendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-255-02 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-13538), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.