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WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade linux-thunderbirdUpgrade linux-firefoxUpgrade waterfoxUpgrade libxulUpgrade seamonkeyUpgrade firefoxUpgrade firefox-esrUpgrade thunderbirdUpgrade linux-seamonkey | Dec 10, 2025 | Mar 13, 2018 |
| Mfsa2018 06 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 59.0 | Jul 12, 2018 | Jun 11, 2018 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-translations-common | May 20, 2018 | Mar 14, 2018 |
| Ubuntu | — | Upgrade firefox | Apr 26, 2018 | Mar 14, 2018 |
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