GoogleCVE-2026-17739

Google Chrome: cross-site scripting

Medium4.2CVE-2026-17739 · Published Jul 30, 2026 · updated Aug 3, 2026

Insufficient policy enforcement in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to inject arbitrary scripts or HTML (UXSS) via a crafted Chrome Extension. (Chromium security severity: Medium)

Google advisory

Affected versions

Package	Affected	Fixed in
Chrome Product	>= 151.0.7922.72, < 151.0.7922.72	151.0.7922.72

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-79

More Google advisories

All Google

Date	Advisory	Severity	Fixed in
Jul 30	Google Chrome: spoofing Medium4.3Jul 30 CVE-2026-18013151.0.7922.72	Medium4.3	151.0.7922.72
Jul 30	Google Chrome: remote attacker could bypass navigation restrictions Medium6.5Jul 30 CVE-2026-18014151.0.7922.72	Medium6.5	151.0.7922.72
Jul 30	Google Chrome: remote attacker could potentially perform a sandbox escape Critical9.6Jul 30 CVE-2026-18015151.0.7922.72	Critical9.6	151.0.7922.72
Jul 30	Google Chrome: spoofing Medium4.3Jul 30 CVE-2026-18016151.0.7922.72	Medium4.3	151.0.7922.72
Jul 30	Google Chrome: use after free High8.8Jul 30 CVE-2026-18017151.0.7922.72	High8.8	151.0.7922.72
Jul 30	Google Chrome: spoofing Medium4.0Jul 30 CVE-2026-18018151.0.7922.72	Medium4.0	151.0.7922.72

Affected versions

More Google advisories

Critical advisories by email