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.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2020-12-09T00:25:40

Updated: 2024-08-04T16:03:23.194Z

Reserved: 2020-10-12T00:00:00

Link: CVE-2020-26967

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-12-09T01:15:13.643

Modified: 2020-12-10T16:28:25.413

Link: CVE-2020-26967

cve-icon Redhat

No data.