CVE-2021-1826
published 2021-09-08CVE-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…
PriorityP427medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
1.06%
60.5th percentile
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.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_14.5_and_ipados | — | — |
| apple | ios_and_ipados | >= unspecified < 14.5 | 14.5 |
| apple | ipados | < 14.5 | 14.5 |
| apple | iphone_os | < 14.5 | 14.5 |
| apple | macos | >= 11.0 < 11.3 | 11.3 |
| apple | macos | >= unspecified < 11.3 | 11.3 |
| apple | macos_big_sur | — | — |
| apple | tvos | < 14.5 | 14.5 |
| apple | tvos | >= unspecified < 14.5 | 14.5 |
| apple | watchos | < 7.4 | 7.4 |
| apple | watchos | >= unspecified < 7.4 | 7.4 |
| debian | webkit2gtk | < webkit2gtk 2.30.1-1 (bookworm) | webkit2gtk 2.30.1-1 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.30.1-1 (bookworm) | webkit2gtk 2.30.1-1 (bookworm) |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv6.1MEDIUM
vendor_debian6.1MEDIUM
vendor_redhat6.1MEDIUM
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GHSA
GHSA-868x-c2ph-qm3r: A logic issue was addressed with improved restrictions
ghsa_unreviewed·2022-05-24
CVE-2021-1826 [MEDIUM] CWE-79 GHSA-868x-c2ph-qm3r: A logic issue was addressed with improved restrictions
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.
OSV
CVE-2021-1826: A logic issue was addressed with improved restrictions
osv·2021-09-08·CVSS 6.1
CVE-2021-1826 [MEDIUM] CVE-2021-1826: A logic issue was addressed with improved restrictions
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.
Red Hat
webkitgtk: Logic issue leading to universal cross site scripting attack
vendor_redhat·2021-07-28·CVSS 6.1
CVE-2021-1826 [MEDIUM] CWE-20 webkitgtk: Logic issue leading to universal cross site scripting attack
webkitgtk: Logic issue leading to universal cross site scripting attack
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.
Package: webkitgtk (Red Hat Enterprise Linux 6) - Out of support scope
Package: webkitgtk3 (Red Hat Enterprise Linux 7) - Out of support scope
Package: webkit2gtk3 (Red Hat Enterprise Linux 9) - Not affected
Apple
CVE-2021-1826: iOS 14.5 and iPadOS 14.5
vendor_apple·2021-04-26·CVSS 6.1
CVE-2021-1826 [MEDIUM] CVE-2021-1826: iOS 14.5 and iPadOS 14.5
Apple Security Update: About the security content of iOS 14.5 and iPadOS 14.5
Product: iOS 14.5 and iPadOS
Version: 14.5
CVE: CVE-2021-1826
Component: WebKit
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue was addressed with improved restrictions.
Apple
CVE-2021-1826: macOS Big Sur 11.3
vendor_apple·2021-04-26·CVSS 6.1
CVE-2021-1826 [MEDIUM] CVE-2021-1826: macOS Big Sur 11.3
Apple Security Update: About the security content of macOS Big Sur 11.3
Product: macOS Big Sur
Version: 11.3
CVE: CVE-2021-1826
Component: WebKit
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue was addressed with improved restrictions.
Debian
CVE-2021-1826: webkit2gtk - A logic issue was addressed with improved restrictions. This issue is fixed in m...
vendor_debian·2021·CVSS 6.1
CVE-2021-1826 [MEDIUM] CVE-2021-1826: webkit2gtk - A logic issue was addressed with improved restrictions. This issue is fixed in m...
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.
Scope: local
bookworm: resolved (fixed in 2.30.1-1)
bullseye: resolved (fixed in 2.30.1-1)
forky: resolved (fixed in 2.30.1-1)
sid: resolved (fixed in 2.30.1-1)
trixie: resolved (fixed in 2.30.1-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://support.apple.com/en-us/HT212317https://support.apple.com/en-us/HT212323https://support.apple.com/en-us/HT212324https://support.apple.com/en-us/HT212325https://support.apple.com/en-us/HT212317https://support.apple.com/en-us/HT212323https://support.apple.com/en-us/HT212324https://support.apple.com/en-us/HT212325
2021-09-08
Published