CVE-2016-5266
Mozilla Firefox before 48.0 does not properly restrict drag-and-drop (aka dataTransfer) actions for file: URIs, which allows user-assisted remote attackers to access local files via a crafted web
02 Description
Mozilla Firefox before 48.0 does not properly restrict drag-and-drop (aka dataTransfer) actions for file: URIs, which allows user-assisted remote attackers to access local files via a crafted web
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.66% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 76.2% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-08-05 01:00Z10 YR AGO
- Last updated
- 2024-08-06 00:53Z2 YR AGO
- Reserved
- 2016-06-03
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- a637f85c555952ee192913df18a7a68b5cf0ea8aa77d6a965d8f05de6c3fb27e
05 Affected products
06 References
- www.securitytracker.com1036508http://www.securitytracker.com/id/1036508
- www.ubuntu.comUSN-3044-1http://www.ubuntu.com/usn/USN-3044-1
- www.securityfocus.com92260http://www.securityfocus.com/bid/92260
- security.gentoo.orgGLSA-201701-15https://security.gentoo.org/glsa/201701-15
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1226977
- lists.opensuse.orgopenSUSE-SU-2016:1964http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
- www.mozilla.orghttp://www.mozilla.org/security/announce/2016/mfsa2016-81.html
- lists.opensuse.orgopenSUSE-SU-2016:2026http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
07 Fixed in
Ubuntu 14.04 LTS
- firefox Fixed in 48.0+build2-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- firefox Fixed in 48.0+build2-0ubuntu0.16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.