Mozilla: >> Firefox Mobile Security Vulnerabilities
Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.
CVSS Score
9.8
EPSS Score
0.001
Published
2026-09-01
Information disclosure in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 155.
CVSS Score
4.3
EPSS Score
0.002
Published
2026-09-01
Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155.
CVSS Score
8.8
EPSS Score
0.002
Published
2026-09-01
A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.
CVSS Score
5.4
EPSS Score
0.002
Published
2026-08-31
Clickjacking issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
CVSS Score
6.5
EPSS Score
0.002
Published
2026-08-18
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
CVSS Score
5.4
EPSS Score
0.002
Published
2026-08-18
Clickjacking issue in Firefox for Android. This vulnerability was fixed in Firefox 154.
CVSS Score
6.5
EPSS Score
0.002
Published
2026-08-18
Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153.
CVSS Score
7.4
EPSS Score
0.002
Published
2026-07-21
Information disclosure in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 153.
CVSS Score
7.5
EPSS Score
0.004
Published
2026-07-21
Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4.
CVSS Score
5.3
EPSS Score
0.003
Published
2026-07-13
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