A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
References
Link | Resource |
---|---|
https://bugzilla.mozilla.org/show_bug.cgi?id=1693664 | Issue Tracking Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-10/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-11/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-12/ | Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mozilla
Published: 2021-03-31T13:41:34
Updated: 2021-06-24T13:28:37
Reserved: 2021-01-13T00:00:00
Link: CVE-2021-23984
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-03-31T14:15:19.170
Modified: 2021-08-06T18:18:41.703
Link: CVE-2021-23984
JSON object: View
Redhat Information
No data.
CWE