Mozilla: >> Firefox Mobile Security Vulnerabilities
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.
CVSS Score
5.4
EPSS Score
0.002
Published
2026-09-29
Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 156.
CVSS Score
8.8
EPSS Score
0.003
Published
2026-09-15
A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1.
CVSS Score
4.3
EPSS Score
0.003
Published
2026-09-08
Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.
CVSS Score
9.8
EPSS Score
0.004
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
0.003
Published
2026-09-01
Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155.
CVSS Score
8.8
EPSS Score
0.003
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
0.003
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
0.003
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
0.003
Published
2026-08-18
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