CVE-2026-8960
Spoofing issue in WebExtensions
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | May 19, 2026 |
| Last Updated | May 19, 2026 |
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Affected Versions
Mozilla / Firefox
All versions affected Mozilla / Thunderbird
All versions affected References
Credits
Kanaru Sato