The add-on installation feature in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x before 38.2.1 allows remote attackers to bypass an intended user-confirmation requirement by constructing a crafted data: URL and triggering navigation to an arbitrary http: or https: URL at a certain early point in the installation process.
2015-08-29T19:59:01.827
2025-04-12T10:46:40.837
Deferred
CVSSv2: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mozilla | firefox | ≤ 40.0.2 | Yes |
Application | mozilla | firefox | 38.0 | Yes |
Application | mozilla | firefox | 38.0.1 | Yes |
Application | mozilla | firefox | 38.0.5 | Yes |
Application | mozilla | firefox | 38.1.0 | Yes |
Application | mozilla | firefox | 38.2.0 | Yes |