CVE-2017-2479

MEDIUM

Safari < 10.1 - Same Origin Policy Bypass via WebKit

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-2479. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages a race condition in WebKit's Container::replaceAllChildren to create an iframe with an attached frame but no parent, leading to arbitrary JavaScript execution. It triggers a focus event during stylesheet loading to manipulate the DOM and achieve code execution.

Description

An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. iCloud before 6.2 on Windows is affected. iTunes before 12.6 on Windows is affected. tvOS before 10.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmlwebappsmultiple
https://www.exploit-db.com/exploits/41866

This exploit leverages a race condition in WebKit's Container::replaceAllChildren to create an iframe with an attached frame but no parent, leading to arbitrary JavaScript execution. It triggers a focus event during stylesheet loading to manipulate the DOM and achieve code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Racy
Target: Safari 10.0.3 (WebKit)
No auth needed
Prerequisites: Victim must visit a malicious webpage · Safari 10.0.3 or vulnerable WebKit version
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207601
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/97176
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038157
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/41866/
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207600
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207607
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207599
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207617

Scores

CVSS v3 6.5
EPSS 0.2474
EPSS Percentile 96.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-20
Status published
Products (5)
apple/icloud < 6.2
apple/iphone_os < 10.3
apple/itunes < 12.6
apple/safari < 10.1
apple/tvos < 10.2
Published Apr 02, 2017
Tracked Since Feb 18, 2026