A critical security vulnerability in Opera GX has been disclosed, revealing that attackers could exploit the browser’s GX Mods feature to inject malicious CSS across every webpage visited by a victim. This could enable cross-site data exfiltration and have a widespread impact on the browser. The research, published by zhero_web_security in 2026, demonstrates a zero-click […]

The post Critical Opera GX Vulnerability Lets Attackers Inject CSS Across Every Webpage appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

Divya

Source: gbHackers
Source Link: https://gbhackers.com/critical-opera-gx-vulnerability/