CVE-2019-19788

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-12-18 · updated 2026-06-17

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.

Affected products

Opera Software AS Opera for Android: before 54.0.2669.49432 — fixed in 54.0.2669.49432

How to fix

Upgrade to a fixed version: Opera Software AS Opera for Android 54.0.2669.49432. Check the vendor advisory for mitigations.

References

https://security.opera.com/bypass-a-restriction-in-ofa-54-opera-security-advisories/
https://security.opera.com/bypass-a-restriction-in-ofa-54-opera-security-advisories/

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