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CVE-20XX-?

CVE-2026-16397

6.5 MEDIUM 0.3% exploit odds Fix listed Other Browser & mail

What it is

Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. High risk of data tampering.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-07-21 13:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-24 20:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-07-21 13:17 UTC
Last modified: 2026-10-24 20:10 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-1021
Record status: Analyzed

Affected

Mozilla Firefox < 153.0.0

Attack profile CVSS 3.1 · 6.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: None
Integrity: High
Availability: None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Meme: I wake up, CVE-2026-16397

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Fix and advisories

https://www.mozilla.org/security/advisories/mfsa2026-68/

References

NVD record · CVE.org record