XSS in Knime Server

CVE-2021-44726

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (50.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-44726?
CVE-2021-44726 is a high-severity vulnerability in Knime Server, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2021-12-08.
How severe is CVE-2021-44726?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-44726 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.