CVE-2026-16397
published 2026-07-21CVE-2026-16397: Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.
PriorityP429medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
0.17%
7.1th percentile
Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 153 | Firefox 153 |
| mozilla | firefox | < 153.0.0 | 153.0.0 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
vendor_redhat6.5MEDIUM
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Red Hat
firefox: Clickjacking issue in the WebExtensions component in Firefox for Android
vendor_redhat·2026-07-21·CVSS 6.5
CVE-2026-16397 [MEDIUM] firefox: Clickjacking issue in the WebExtensions component in Firefox for Android
firefox: Clickjacking issue in the WebExtensions component in Firefox for Android
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue:
Clickjacking issue in the WebExtensions component in Firefox for Android
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: firefox (Red Hat Enterprise Linux 10) - Not affected
Package: rhel10/firefox-flatpak (Red Hat Enterprise Linux 10) - Not affected
Package: firefox (Red Hat Enterprise Linux 6) - Not affected
Package: firefox (Red Hat Enterprise Linux 7) - Not affected
Package: firefox (Red Hat Enterprise Linux 8) - Not affected
Package: firefox (Red Hat Enterprise Linux 9) - Not affected
Mozilla
Mozilla Foundation Security Advisory 2026-68: CVE-2026-16397
vendor_mozilla·CVSS 6.5
CVE-2026-16397 [MEDIUM] Mozilla Foundation Security Advisory 2026-68: CVE-2026-16397
Mozilla Foundation Security Advisory 2026-68
CVE: CVE-2026-16397
Product: Firefox
Impact: high
Fixed in: Firefox 153
GHSA
Clickjacking issue in the WebExtensions component in Firefox for Android.
ghsa_unreviewed·2026-07-21
CVE-2026-16397 [MEDIUM] CWE-1021 Clickjacking issue in the WebExtensions component in Firefox for Android.
Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.
No detection rules found.
No public exploits indexed.
2026-07-21
Published