🔐 CVE Alert

CVE-2025-11716

MEDIUM 6.5

Sandboxed iframes allowed links to open in external apps (Android only)

CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th

Links in a sandboxed iframe could open an external app on Android without the required "allow-" permission. This vulnerability was fixed in Firefox 144 and Thunderbird 144.

Vendor mozilla
Product firefox
Ecosystems
Industries
Technology
Published Oct 14, 2025
Last Updated Apr 13, 2026
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Affected Versions

Mozilla / Firefox
All versions affected
Mozilla / Thunderbird
All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1818679 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-81/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-84/

Credits

Axel Chong (@Haxatron)