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CVE-2016-1967

18
FAUCET Score

CVE-2016-1967 describes a vulnerability in Mozilla Firefox before version 45.0, where an incomplete fix for a previous issue allowed attackers to bypass the Same Origin Policy. By leveraging the IFRAME Resource Timing API, history.back, and performance.getEntries calls after a browser session restore, remote attackers could obtain sensitive information. This medium-severity vulnerability (CVSS 6.5) requires user interaction (UI:R) and has a high confidentiality impact (C:H), but no known active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 44.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.25%
Probability of exploitation in next 30 days
EPSS Percentile
81.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0225 is in the 91st percentile among its peer group of 26,219 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2016-1967Moderate

Mozilla: Same-origin policy violation using perfomance.getEntries and history navigation with session restore (MFSA 2016-29)

Mar 8, 2016

References

lists.opensuse.org / opensuse-security-announce/2016-03/msg00029.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00031.html
bugzilla.mozilla.org / show_bug.cgi
security.gentoo.org / glsa/201605-06
mozilla.org / security/announce/2016/mfsa2016-29.html
Vendor Advisory
securitytracker.com / id/1035215
ubuntu.com / usn/USN-2917-1
ubuntu.com / usn/USN-2917-2
ubuntu.com / usn/USN-2917-3