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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
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 |
USN-4637-1 | Firefox vulnerabilities |
Ubuntu USN |
USN-4637-2 | Firefox vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-04T16:03:23.194Z
Reserved: 2020-10-12T00:00:00.000Z
Link: CVE-2020-26967
No data.
Status : Modified
Published: 2020-12-09T01:15:13.643
Modified: 2024-11-21T05:20:35.797
Link: CVE-2020-26967
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Ubuntu USN