Opera GX Flaw Let Malicious Sites Auto-Install Mods to Steal Data From Visited Pages

Summary

Researchers found a flaw in Opera GX, the gaming-focused version of the Opera browser, that let a malicious website silently install a browser add-on and use it to lift specific data from the pages a victim visits. In a proof of concept, they reconstructed a signed-in user's full Gmail address from a single visit, with no click. Opera has patched the flaw and says it found no evidence that