CVE-2026-84127 | Mozilla Firefox up to 154 WebExtensions information disclosure (Nessus ID 342196 / WID-SEC-2026-3132)
A vulnerability marked as problematic has been reported in Mozilla Firefox up to 154. Impacted is an unknown function of the component WebExtensions. Performing a manipulation results in information disclosure.
This vulnerability is identified as CVE-2026-84127. The attack can be initiated remotely. There is not any exploit available.
It is suggested to upgrade the affected component.