Vulnerability · Published May 28, 2026 · Assigned by Chrome

CVE-2026-9971

Medium 5.4

In plain English

A medium-severity cross-site scripting in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 94.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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. (Chromium security severity: High)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium148.0.7778.215-1~deb12u1DEBIAN-CVE-2026-9971
Debian:13chromium148.0.7778.215-1~deb13u1DEBIAN-CVE-2026-9971
Debian:14chromium148.0.7778.215-1DEBIAN-CVE-2026-9971

Affected products (as reported)

VendorProductVersions
Google Chrome 148.0.7778.216 – before 148.0.7778.216

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References