CVE-2021-1826 — Cross-site Scripting in Apple IOS AND Ipados

CWE-79 — Cross-site ScriptingCWE-20 — Improper Input ValidationCWE-590 — Free of Memory not on the Heap8 documents6 sources
Severity
6.1MEDIUMNVD
EPSS
0.7%
top 27.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
10
Apple IOS AND IpadosApple MacosApple Tvos+7 more
Timeline
PublishedSep 8
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages13 packages

▶CVEListV5apple/tvosunspecified — 14.5
▶NVDapple/tvos< 14.5
▶CVEListV5apple/macosunspecified — 11.3
▶NVDapple/macos11.0 — 11.3
▶NVDapple/ipados< 14.5

🔴Vulnerability Details

2
GHSA
GHSA-868x-c2ph-qm3r: A logic issue was addressed with improved restrictions↗2022-05-24
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OSV
CVE-2021-1826: A logic issue was addressed with improved restrictions↗2021-09-08
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📋Vendor Advisories

4
Red Hat
webkitgtk: Logic issue leading to universal cross site scripting attack↗2021-07-28
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Apple
CVE-2021-1826: iOS 14.5 and iPadOS 14.5↗2021-04-26
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Apple
CVE-2021-1826: macOS Big Sur 11.3↗2021-04-26
▶
Debian
CVE-2021-1826: webkit2gtk - A logic issue was addressed with improved restrictions. This issue is fixed in m...↗2021
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