Medium severity6.5NVD Advisory· Published Feb 28, 2019· Updated Jun 17, 2026
CVE-2018-18495
CVE-2018-18495
Description
WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions. This vulnerability affects Firefox < 64.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <64.0
- (no CPE)range: <64
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- 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: < 92.0-1.2
Patches
Vulnerability mechanics
References
4- www.securityfocus.com/bid/106167nvdThird Party AdvisoryVDB Entry
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredVendor Advisory
- usn.ubuntu.com/3844-1/nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2018-29/nvdVendor Advisory
News mentions
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