What’s Vulnerable › Vulnerabilities

CVE-2021-44726

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-08 · updated 2026-06-17
• Weakness: CWE-79

Description

KNIME Server before 4.13.4 allows XSS via the old WebPortal login page.

Affected products

• KNIME Server: before 4.13.4 — fixed in 4.13.4

How to fix

Upgrade to a fixed version: KNIME Server 4.13.4. Check the vendor advisory for mitigations.

References

• https://docs.knime.com/2021-06/server_update_guide/index.html#_bugfixes
• https://zigrin.com/advisories/knime-server-dom-based-xss-in-a-login-panel/
• https://docs.knime.com/2021-06/server_update_guide/index.html#_bugfixes
• https://zigrin.com/advisories/knime-server-dom-based-xss-in-a-login-panel/

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