EIP-2026-104488

PRE-CVE

WebKit - 'ContainerNode::parserRemoveChild' Universal Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104488. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a use-after-free vulnerability in Chromium's ContainerNode::parserRemoveChild by manipulating subframe detachment and reattachment during a focus event. The exploit triggers arbitrary JavaScript execution via an iframe with a javascript: URL.

Description

WebKit - 'ContainerNode::parserRemoveChild' Universal Cross-Site Scripting

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmlwebappsmultiple
https://www.exploit-db.com/exploits/42065

This PoC exploits a use-after-free vulnerability in Chromium's ContainerNode::parserRemoveChild by manipulating subframe detachment and reattachment during a focus event. The exploit triggers arbitrary JavaScript execution via an iframe with a javascript: URL.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Chromium-based browsers (version not specified)
No auth needed
Prerequisites: Victim must visit a malicious webpage · Browser must be vulnerable to the specific use-after-free bug
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026