Medium severity5.4NVD Advisory· Published Apr 30, 2016· Updated Jun 17, 2026
CVE-2016-2817
CVE-2016-2817
Description
The WebExtension sandbox feature in browser/components/extensions/ext-tabs.js in Mozilla Firefox before 46.0 does not properly restrict principal inheritance during chrome.tabs.create and chrome.tabs.update API calls, which allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted extension that accesses a (1) javascript: or (2) data: URL.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <=45.0.2
- (no CPE)range: <46.0
- osv-coords2 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 128.5.1-1.1+ 1 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 50.1.0-1.1
Patches
Vulnerability mechanics
References
9- www.mozilla.org/security/announce/2016/mfsa2016-46.htmlnvdVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-05/msg00038.htmlnvd
- www.securitytracker.com/id/1035692nvd
- www.ubuntu.com/usn/USN-2936-1nvd
- www.ubuntu.com/usn/USN-2936-2nvd
- www.ubuntu.com/usn/USN-2936-3nvd
- bugzilla.mozilla.org/show_bug.cginvd
- security.gentoo.org/glsa/201701-15nvd
News mentions
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