Bypass a restriction in OfA 54 – Opera Security Advisories

CVE ID: CVE-2019-19788
PRODUCT: Opera for Android
VERSION: Below 54.0.2669.49432
PROBLEM TYPE: Bypass a restriction or similar
DESCRIPTION: Opera for Android before 54.0.2669.49432 is vulnerable to a sandboxed cross-origin iframe bypass attack. By using a service working inside a sandboxed iframe it is possible to bypass the normal sandboxing attributes. This allows an attacker to make forced redirections without any user interaction from a third-party context.