What is CVE-2020-16046?

CVE-2020-16046 is a medium-severity vulnerability in Apple Iphone OS, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-01-14.

How severe is CVE-2020-16046?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Apple Iphone OS

CVE-2020-16046

Script injection in iOSWeb in Google Chrome on iOS prior to 84.0.4147.105 allowed a remote attacker to execute arbitrary code via a crafted HTML page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-01-14 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.008 (53.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apple Iphone OS
Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop_27.html (Release Notes, Vendor Advisory)
crbug.com/1098606 (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2020-16046?: CVE-2020-16046 is a medium-severity vulnerability in Apple Iphone OS, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-01-14.
How severe is CVE-2020-16046?: Medium severity. CVSS v3 base score is 6.1 out of 10.