CVE-2023-29534
CriticalCVSS 9.1Exploitation Probability (EPSS)
Elevated risk50th percentile - higher than 50% of all known CVEs
Summary
In Firefox and Focus for Android, techniques were discovered to obscure the fullscreen notification, which could lead to user confusion and spoofing attacks. This affects Firefox for Android and Focus for Android versions prior to 112.
Risk Assessment
The risk includes user deception and potential phishing or spoofing attacks.
Recommendation
Update Firefox and Focus for Android to version 112 or later.
Other vulnerabilities in Firefox for Android
See all- CVE-2026-100823Medium
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.
- CVE-2026-92033High
Privilege escalation vulnerability in Firefox for Android. Fixed in Firefox 156.
- CVE-2026-84117High
Privilege escalation in Firefox for Android. Fixed in Firefox 155.
- CVE-2026-74975Medium
A spoofing issue exists in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
- CVE-2026-18809Medium
Information disclosure in Firefox for Android and Firefox Focus for Android. This vulnerability was fixed in Firefox 153.0.3.
- CVE-2026-16397Medium
Clickjacking vulnerability in the WebExtensions component in Firefox for Android. This issue was fixed in Firefox 153.
- CVE-2026-16373High
Vulnerability in the Privacy component in Firefox for Android. The flaw leads to information disclosure. The issue was fixed in Firefox 153.
- CVE-2025-8041Medium
In Firefox for Android, the address bar truncated the display of URLs from the end instead of prioritizing the origin. This vulnerability was fixed in Firefox 141.
- CVE-2025-6431Medium
When a link can be opened in an external application, Firefox for Android will, by default, prompt the user before doing so. An attacker could have bypassed this prompt, potentially exposing the user to security vulnerabilities or privacy leaks in external applications. This bug only affects Firefox for Android. Other versions of Firefox are unaffected. This vulnerability was fixed in Firefox 140.
- CVE-2025-6428Medium
Vulnerability in Firefox for Android where when a URL was provided in a link querystring parameter, the browser would follow that URL instead of the correct URL, potentially leading to phishing attacks. This bug only affects Firefox for Android and was fixed in Firefox 140.
Original NVD description (English source)
Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS