Cross-site scripting in Apple iOS and iPadOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 3 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-79.
Summary
An input validation issue was addressed with improved input validation. This issue is fixed in iTunes 12.11.3 for Windows, iCloud for Windows 12.3, macOS Big Sur 11.3, Safari 14.1, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may lead to a cross site scripting attack.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | iOS and iPadOS | before 14.5 | 14.5 | Patch available | CNA |
| Apple | Safari | before 14.1 | 14.1 | Patch available | CNA |
| Apple | iTunes for Windows | before 12.11 | 12.11 | Patch available | CNA |
| Apple | iCloud for Windows | before 12.3 | 12.3 | Patch available | CNA |
| Apple | tvOS | before 14.5 | 14.5 | Patch available | CNA |
| Apple | watchOS | before 7.4 | 7.4 | Patch available | CNA |
| Apple | macOS | before 11.3 | 11.3 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 14.5 Fixed in 14.5 Patch available CNA
- Safari VendorApple Affected before 14.1 Fixed in 14.1 Patch available CNA
- iTunes for Windows VendorApple Affected before 12.11 Fixed in 12.11 Patch available CNA
- iCloud for Windows VendorApple Affected before 12.3 Fixed in 12.3 Patch available CNA
- tvOS VendorApple Affected before 14.5 Fixed in 14.5 Patch available CNA
- watchOS VendorApple Affected before 7.4 Fixed in 7.4 Patch available CNA
- macOS VendorApple Affected before 11.3 Fixed in 11.3 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* | before 12.3 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | before 12.11.3 | Vulnerable | Apple |
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 14.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 14.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 14.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 11.0 to before 11.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 14.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 7.4 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 12.3 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.11.3 Vulnerable ·Apple
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 14.1 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.5 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.5 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.3 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.5 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.4 Vulnerable ·Apple
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 14.5
- Fix · CNA Safari (Apple) Fixed in 14.1
- Fix · CNA iTunes for Windows (Apple) Fixed in 12.11
- Fix · CNA iCloud for Windows (Apple) Fixed in 12.3
- Fix · CNA tvOS (Apple) Fixed in 14.5
- Fix · CNA watchOS (Apple) Fixed in 7.4
- Fix · CNA macOS (Apple) Fixed in 11.3
Red Hat 2 advisories
- RHSA-2025:10364 Released 2025-07-07 · Red Hat rating Importantwebkitgtk4 security update
- Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.3-2.el7_9, webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-jsc-2.48.3-2.el7_9 +1
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-doc-2.48.3-2.el7_9, webkitgtk4-jsc-devel-2.48.3-2.el7_9
- RHSA-2021:1586 Released 2021-05-18 · Red Hat rating ModerateGNOME security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) glib2-doc-2.56.4-9.el8, glib2-static-2.56.4-9.el8
- Red Hat Enterprise Linux AppStream (v. 8) gdm-1:3.28.3-39.el8, webkit2gtk3-2.30.4-1.el8, webkit2gtk3-devel-2.30.4-1.el8 +2
- Red Hat Enterprise Linux BaseOS (v. 8) glib2-2.56.4-9.el8, glib2-devel-2.56.4-9.el8, glib2-fam-2.56.4-9.el8 +1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 11.3
62 records Highest priority Priority CRITICAL 3 CRITICAL, 1 HIGH, 9 MEDIUM, 49 LOW
Other records, highest priority first
- TI-2021-11050 Out-of-bounds write in Apple macOSPriority CRITICAL 97
- TI-2021-11048 Integer overflow in Apple macOSPriority CRITICAL 97
- TI-2021-11046 Use after free in Apple iOS and iPadOSPriority CRITICAL 97
- Release ·
Apple iOS and iPadOS 14.5
60 records Highest priority Priority CRITICAL 1 CRITICAL, 7 MEDIUM, 52 LOW
Other records, highest priority first
- TI-2021-11046 Use after free in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2021-01483 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 47
- TI-2021-01568 Use after free in Apple iOS and iPadOSPriority MEDIUM 46
Show 4 more groups
- Release ·
Apple watchOS 7.4
43 records Highest priority Priority CRITICAL 1 CRITICAL, 5 MEDIUM, 37 LOW
Other records, highest priority first
- TI-2021-11046 Use after free in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2021-01483 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 47
- TI-2021-01568 Use after free in Apple iOS and iPadOSPriority MEDIUM 46
- Release ·
Apple tvOS 14.5
39 records Highest priority Priority CRITICAL 1 CRITICAL, 5 MEDIUM, 33 LOW
Other records, highest priority first
- TI-2021-11046 Use after free in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2021-01483 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 47
- TI-2021-01568 Use after free in Apple iOS and iPadOSPriority MEDIUM 46
- Release ·
Apple iCloud for Windows, iTunes for Windows 12.11, 12.3
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2021-01522 Apple iOS and iPadOS: Processing a maliciously crafted font may result in the disclosure…Priority LOW 32
- TI-2021-01561 Apple iOS and iPadOS: Processing maliciously crafted web content may disclose sensitive…Priority LOW 31
- Release ·
Apple Safari 14.1
2 records Highest priority Priority CRITICAL 1 CRITICAL, 1 LOW
Other records, highest priority first
- TI-2021-11046 Use after free in Apple iOS and iPadOSPriority CRITICAL 97
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2021:1586 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2025:10364 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2025:10364 |
Not affected: 4 products
- Red Hat CodeReady Linux Builder (v. 8)
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux AppStream (v. 8)
- Red Hat Enterprise Linux BaseOS (v. 8)
Timeline
- 2026-10-02 Threatist record created from CVE-2021-1825
- 2026-10-03 Alias added: GHSA-7gx9-m7c6-98gf
References
More Apple Icloud vulnerabilities
- TI-2019-06084 Type confusion in Apple iOS KEVCVSS 3.1HIGH 8.8
- TI-2020-16987 Type confusion in Apple watchOS KEVCVSS 3.1HIGH 7.8
- TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code execution CVSS 3.1CRITICAL 9.8
- TI-2018-03187 Memory corruption in Apple WebKit CVSS 3.1HIGH 8.8
- TI-2018-03118 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
- TI-2018-03361 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows CVSS 3.0HIGH 8.8
Sources
- CVE-2021-1825 · CVE Program
- CVE-2021-1825 · NVD
- FIRST EPSS
- GHSA-7gx9-m7c6-98gf · GitHub Advisory Database · CC BY 4.0
- CVE-2021-1825 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences