Security Advisory

CVE-2020-26967

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2020-12-09 00:25:40

Last updated 2024-08-04 16:03:23

Assigner mozilla

CVSS score not scored

State PUBLISHED

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.

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