First published: Wed Jul 08 2020(Updated: )
Using object or embed tags, it was possible to frame other websites, even if they disallowed framing using the X-Frame-Options header.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Firefox | <78.0.2 | 78.0.2 |
<78.0.2 | 78.0.2 | |
<78 | 78 | |
Mozilla Firefox | <78.0.2 | |
Mozilla Thunderbird | <78.0 |
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(Found alongside the following vulnerabilities)
CVE-2020-15648 is a vulnerability where it was possible to frame other websites using object or embed tags, even if they disallowed framing using the X-Frame-Options header.
CVE-2020-15648 affects Mozilla Firefox versions up to and excluding 78.0.2.
CVE-2020-15648 affects Mozilla Thunderbird versions up to and excluding 78.
The severity of CVE-2020-15648 is medium with a CVSS score of 6.5.
To fix CVE-2020-15648, update Mozilla Firefox to version 78.0.2 or newer, or update Mozilla Thunderbird to version 78 or newer.