Apple Safari: Processing a maliciously crafted URL may lead to arbitrary javascript code…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A custom URL scheme handling issue was addressed with improved input validation. This issue is fixed in Safari 13.0.5. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.
Why it matters now
EPSS 0.0103 63rd percentileScored 2026-11-07
Fix Fixed Safari (Apple): 13.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Safari (Apple) Fixed in 13.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple Safari 13.0
14 records Highest priority Priority MEDIUM 7 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2019-06404 Use after free in Apple iOS and iPadOSPriority MEDIUM 43
- TI-2019-06403 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
- TI-2019-06395 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9860
- 2026-10-03 Alias added: GHSA-87j3-fc63-8fxv
References
Advisory 1
More Apple Safari vulnerabilities
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-28228 Use after free in Apple Safari KEVCVSS 3.1HIGH 8.8
- TI-2025-22512 Memory corruption in Apple Safari KEVCVSS 3.1HIGH 8.8
- TI-2025-12953 Memory corruption in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2025-05957 Improper input validation in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2024-29863 Apple Safari: Processing maliciously crafted web content may lead to arbitrary code… KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2020-9860 · CVE Program
- CVE-2020-9860 · NVD
- FIRST EPSS
- GHSA-87j3-fc63-8fxv · GitHub Advisory Database · CC BY 4.0
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