Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Mozilla / Firefox ESR | affected unspecified before 78.9 |
| Mozilla / Firefox | affected unspecified before 87 |
| Mozilla / Thunderbird | affected unspecified before 78.9 |
CWE
No CWE identifiers supplied.
References
- https://www.mozilla.org/security/advisories/mfsa2021-10/
- https://www.mozilla.org/security/advisories/mfsa2021-12/
- https://www.mozilla.org/security/advisories/mfsa2021-11/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1693664
ADP enrichment
No English description supplied.