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CVE-2015-2711

14
FAUCET Score

CVE-2015-2711 describes a vulnerability in Mozilla Firefox versions prior to 38.0 where the browser failed to properly enforce referrer policies from META elements during context-menu or middle-click navigation. This allowed remote attackers to potentially obtain sensitive information by logging web-server Referer headers containing private URL data. With a CVSS score of 4.3 (medium severity), it has a network attack vector and medium attack complexity, leading to a partial confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
13.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
<= 37.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.90%
Probability of exploitation in next 30 days
EPSS Percentile
77.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0190 is in the 60th percentile among its peer group of 19,958 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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-2015-2711Moderate

Mozilla: <meta name="referrer"> is ignored for navigations from the context menu and via a middle-click (MFSA 2015-49)

May 12, 2015

References

lists.opensuse.org / opensuse-updates/2015-05/msg00036.html
bugzilla.mozilla.org / show_bug.cgi
security.gentoo.org / glsa/201605-06
mozilla.org / security/announce/2015/mfsa2015-49.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securityfocus.com / bid/74611
ubuntu.com / usn/USN-2602-1