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.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade thunderbird | May 4, 2022 | Mar 31, 2021 |
| Alpine Linux | — | Upgrade librewolfUpgrade firefoxUpgrade thunderbirdUpgrade firefox-esr | Jun 17, 2022 | Mar 31, 2021 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | Apr 23, 2021 | Mar 31, 2021 |
| Centos_linux | — | Upgrade thunderbird-debugsourceUpgrade firefox-debugsourceUpgrade thunderbirdUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debuginfo | Mar 26, 2021 | Mar 25, 2021 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Mar 26, 2021 | Mar 26, 2021 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox. | May 3, 2021 | Mar 31, 2021 |
| Mfsa2021 10 | — | Upgrade to Mozilla Firefox version 87.0 | Mar 24, 2021 | Mar 23, 2021 |
| Mfsa2021 11 | — | Upgrade to Mozilla Firefox ESR version 78.9 | Mar 24, 2021 | Mar 23, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 78.9 | Mar 24, 2021 | Mar 23, 2021 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 78.9.0-11.4.32.0.1.88.3 on Solaris 11.4Upgrade mail/thunderbird to version 78.9.0-11.4.32.0.1.88.3 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 78.9.0-11.4.32.0.1.88.3 on Solaris 11.4 | Apr 21, 2021 | Mar 31, 2021 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Mar 26, 2021 | Mar 23, 2021 |
| Redhat_linux | — | Upgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade firefox-debuginfoNo solution existsUpgrade firefox-debugsourceUpgrade thunderbird | Mar 26, 2021 | Mar 25, 2021 |
| Suse | — | Upgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-otherUpgrade mozilla-nspr-develUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefoxUpgrade mozillafirefox-buildsymbolsUpgrade mozilla-nspr-32bitUpgrade mozilla-nsprUpgrade mozillafirefox-branding-sle | Mar 31, 2021 | Mar 25, 2021 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Mar 26, 2021 | Mar 25, 2021 |
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