vulnwire
7.3high

CVE-2017-5386

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.2%
percentile 83%
Public exploits
0
none known

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.

Exploit prediction (EPSS)

2.22% probability of exploitation in the next 30 days, higher than 83% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Mozilla Firefox ESR
  • Mozilla Firefox

References

  • mozilla.org /security/advisories/mfsa2017-02/ · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201702-22 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1319070 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-3771 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securitytracker.com /id/1037693 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • mozilla.org /security/advisories/mfsa2017-01/ · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0190.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securityfocus.com /bid/95769 · vdb-entry, x_refsource_BID, x_transferred

Sources

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