CVE-2023-40451

8.8 highEPSS 1.1%

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 17. An attacker with JavaScript execution may be able to execute arbitrary code.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
Published: 2023-09-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:safari

References

http://seclists.org/fulldisclosure/2023/Oct/2
http://www.openwall.com/lists/oss-security/2023/09/28/3
https://security.gentoo.org/glsa/202401-33
https://support.apple.com/en-us/HT213941
http://seclists.org/fulldisclosure/2023/Oct/2

Check your stack JSON