XSS in Apple iOS And Ipados

CVE-2021-1826

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to universal cross site scripting.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (61.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-1826?
CVE-2021-1826 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-08.
How severe is CVE-2021-1826?
Medium severity. CVSS v3 base score is 6.1 out of 10.