EIP-2026-103709

PRE-CVE

WebKit - Universal XSS Using Cached Pages

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103709. PoCs published by Google Security Research.

AI-analyzed exploit summary The writeup describes a WebKit vulnerability (EIP-2026-103707) where a race condition during page navigation allows JavaScript execution in the context of another document. The attack requires a victim page to load an attacker-controlled iframe and exploits the `detachChildren` function to bypass `SubframeLoadingDisabler`.

Description

WebKit - Universal XSS Using Cached Pages

Exploits (1)

exploitdb WRITEUP VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/47453

The writeup describes a WebKit vulnerability (EIP-2026-103707) where a race condition during page navigation allows JavaScript execution in the context of another document. The attack requires a victim page to load an attacker-controlled iframe and exploits the `detachChildren` function to bypass `SubframeLoadingDisabler`.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Complex
Reliability
Racy
Target: WebKit revision 246194
No auth needed
Prerequisites: Victim page must load an attacker-controlled iframe · Synchronous page load via `showModalDialog`
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026