An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list. This allows a malicious extension to then install additional extensions without explicit user permission. This vulnerability affects Firefox < 50.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Freebsd | — | Upgrade linux-firefoxUpgrade seamonkeyUpgrade firefox-esrUpgrade thunderbirdUpgrade firefoxUpgrade libxulUpgrade linux-seamonkeyUpgrade linux-thunderbird | Nov 16, 2016 | Nov 16, 2016 |
| Mfsa2016 89 | — | Upgrade to Mozilla Firefox version 50.0 | Jul 12, 2018 | Jun 11, 2018 |
| Suse | — | Upgrade mozillafirefox-translations-otherUpgrade mozillafirefox-translations-commonUpgrade mozillafirefox-develUpgrade mozillafirefox | Nov 19, 2016 | Nov 15, 2016 |
| Ubuntu | — | Upgrade firefox | Nov 19, 2016 | Nov 15, 2016 |
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