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TI-2025-21734 Aliases CVE-2025-30434GHSA-2xcc-3vq7-mvjp

Cross-site scripting in Apple iOS and iPadOS

Priority LOW 22CWE-79Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

The issue was addressed with improved input sanitization. This issue is fixed in iOS 18.4 and iPadOS 18.4. Processing a maliciously crafted file may lead to a cross site scripting attack.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00268 19th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 18.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 18.418.4Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 18.4 Fixed in 18.4 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 18.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 18.4VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 18.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.4 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple iOS and iPadOS 18.4

    56 records Highest priority Priority MEDIUM 15 MEDIUM, 41 LOW

    Other records, highest priority first

    • TI-2025-17978 Out-of-bounds read in Apple iOS and iPadOSPriority MEDIUM 53
    • TI-2025-17961 Uncontrolled resource consumption in Apple iOS and iPadOSPriority MEDIUM 53
    • TI-2025-17940 Uncontrolled resource consumption in Apple iOS and iPadOSPriority MEDIUM 53

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-30434
  2. 2026-10-03 Alias added: GHSA-2xcc-3vq7-mvjp

References

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources