CVE•Published 2023-06-19•Modified 2026-08-19•1 article on news•7 live references•NVD data
CVE-2023-29534Mozilla · Firefox_focus
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
50
Exploit Prediction Scoring System · top 50% of all CVEs
Description
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.
Timeline
Published 2023-06-19
Modified 2026-08-19
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-29534Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Mozilla Firefox Focus"All exposed Mozilla Firefox Focus instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Firefox Focus"HTTP body or banner mentions "Firefox Focus" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-29534Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-29534Censys host search filtered to this CVE id.
grep.app
CVE-2023-29534Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-29534GitHub code search for direct mentions.
Google dork
"CVE-2023-29534" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2023-29534 on GitHub.