When arbitrary text is sent over an FTP connection and a page reload is initiated, it is possible to create a modal alert message with this text as the content. This could potentially be used for social engineering attacks. This vulnerability affects Firefox < 66.
CVSS Details
- CVSS 3.1 Base Score: 4.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Apr 26, 2019 |
| Freebsd | — | Upgrade firefox-esrUpgrade firefoxUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade linux-thunderbirdUpgrade libxulUpgrade linux-firefoxUpgrade waterfoxUpgrade seamonkey | Mar 20, 2019 | Mar 19, 2019 |
| Mfsa2019 07 | — | Upgrade to Mozilla Firefox version 66.0 | Mar 20, 2019 | Mar 19, 2019 |
| Ubuntu | — | Upgrade firefox | Apr 1, 2019 | Mar 19, 2019 |
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