CVE-2020-26967

Description

When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This would lead to internal errors and unexpected behavior in the Screenshots code. This vulnerability affects Firefox < 83.

References

https://www.mozilla.org/security/advisories/mfsa2020-50/

https://bugzilla.mozilla.org/show_bug.cgi?id=1665820

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3