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Medium severity6.5NVD Advisory· Published Jul 21, 2026· Updated Jul 22, 2026

CVE-2026-16397

CVE-2026-16397

Description

Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.

Affected products

8

Mozilla Corporation/Firefox
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Range: <153.0.0
Mozilla Corporation/Firefox for Androidllm-fuzzy
Range: <153
osv-coords6 versions
pkg:apk/chainguard/firefox pkg:apk/chainguard/firefox-docker-selenium-compat pkg:apk/wolfi/firefox pkg:apk/wolfi/firefox-docker-selenium-compat pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed
< 153.0-r0+ 5 more
- (no CPE)range: < 153.0-r0
- (no CPE)range: < 153.0-r0
- (no CPE)range: < 153.0-r0
- (no CPE)range: < 153.0-r0
- (no CPE)range: < 153.0-1.1
- (no CPE)range: < 153.0-1.1

Patches

Vulnerability mechanics

References

2

www.mozilla.org/security/advisories/mfsa2026-68/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdPermissions Required

News mentions

1

Firefox 153: Mozilla Fixes 25 Coordinated Vulnerabilities in Single July 22 Disclosure
Vypr Intelligence · Jul 22, 2026