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.
Advisories
Source ID Title
EUVD EUVD EUVD-2020-19491 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.
Ubuntu USN Ubuntu USN USN-4637-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-4637-2 Firefox vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

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 : Modified

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

Modified: 2024-11-21T05:20:35.797

Link: CVE-2020-26967

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.