What is CVE-2026-9971?

CVE-2026-9971 is a medium-severity vulnerability in Apple Iphone_os, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-28.

How severe is CVE-2026-9971?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Apple Iphone_os

CVE-2026-9971

Inappropriate implementation in iOS in Google Chrome on iOS prior to 148.0.7778.216 allowed a remote attacker who convinced a user to engage in specific UI gestures to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chrom…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (8.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Apple Iphone_os
Google Chrome — versions 148.0.7778.216

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

chrome-cve-admin@google.com (Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-9971?: CVE-2026-9971 is a medium-severity vulnerability in Apple Iphone_os, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-28.
How severe is CVE-2026-9971?: Medium severity. CVSS v3 base score is 5.4 out of 10.