Opera GX Flaw Let Sites Auto-Install Mods to Steal Data

A critical security flaw in the Opera GX browser allowed malicious websites to auto-install browser mods and exfiltrate user data. The vulnerability was patched in May after being reported through a bug bounty program.
Why it matters
This highlights the security risks associated with browser customization features and the importance of bug bounty programs in software development.
A critical flaw discovered in the Opera GX browser could enable malicious websites to automatically install a customization mod and use it to steal data from other sites a victim visited, with no user interaction required.
Technical reporting on a security vulnerability and its resolution.
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