CVE-2020-15648

Description

Using object or embed tags, it was possible to frame other websites, even if they disallowed framing using the X-Frame-Options header. This vulnerability affects Thunderbird < 78 and Firefox < 78.0.2.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2020-29/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2020-28/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1644076 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-15648?
CVE-2020-15648 has been scored as a medium severity vulnerability.
How to fix CVE-2020-15648?
To fix CVE-2020-15648, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15648 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-15648 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15648?
CVE-2020-15648 affects Mozilla Thunderbird, Mozilla Firefox.
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