XSS in Knockoutjs Knockout

CVE-2019-14862

There is a vulnerability in knockout before version 3.5.0-beta, where after escaping the context of the web application, the web application delivers data to its users along with other trusted dynamic content, without validating it.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.020 (78.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-14862?
CVE-2019-14862 is a medium-severity vulnerability in Knockoutjs Knockout, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-02.
How severe is CVE-2019-14862?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-14862 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.