What is CVE-2019-5861?

CVE-2019-5861 is a medium-severity vulnerability in Google Chrome, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 4.3/10. Published 2019-11-25.

How severe is CVE-2019-5861?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Google Chrome

CVE-2019-5861

Insufficient data validation in Blink in Google Chrome prior to 76.0.3809.87 allowed a remote attacker to bypass anti-clickjacking policy via a crafted HTML page.

Published 2019-11-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)

References

Frequently asked questions

What is CVE-2019-5861?: CVE-2019-5861 is a medium-severity vulnerability in Google Chrome, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 4.3/10. Published 2019-11-25.
How severe is CVE-2019-5861?: Medium severity. CVSS v3 base score is 4.3 out of 10.