XSS in Apple iOS And Ipados

CVE-2021-30689

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (62.5th 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)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30689?
CVE-2021-30689 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-2021-30689?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-30689 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.