cve/2024/CVE-2024-5691.md

### [CVE-2024-5691](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-5691)
![](https://img.shields.io/static/v1?label=Product&message=Firefox%20ESR&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%3C%20115.12%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%3C%20127%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Sandboxed%20iframes%20were%20able%20to%20bypass%20sandbox%20restrictions%20to%20open%20a%20new%20window&color=brighgreen)

### Description

By tricking the browser with a `X-Frame-Options` header, a sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1888695

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds