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CVE-2014-1539

20
FAUCET Score

CVE-2014-1539 describes a clickjacking vulnerability affecting Mozilla Firefox before version 30.0 and Thunderbird through 24.6 on OS X. The flaw allowed remote attackers to conduct clickjacking attacks by using JavaScript to create a fake cursor image, as the browser failed to ensure cursor visibility after interacting with Flash objects and DIV elements. With a CVSS score of 5.0 (medium severity), this vulnerability has a low attack complexity and requires no authentication, potentially leading to information disclosure (I:P). There is no evidence of active exploitation, nor are there known public exploit codes in Metasploit, Nuclei, or ExploitDB. Community discussion is minimal, with only one mention, and there is no media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 29.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
<= 24.6CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
24.0CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:24.0:*:*:*:*:*:*:*
24.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:24.0.1:*:*:*:*:*:*:*
24.1CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:24.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0215 is in the 69th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

References

lists.opensuse.org / opensuse-updates/2014-06/msg00040.html
lists.opensuse.org / opensuse-updates/2014-07/msg00001.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/59171
secunia.com / advisories/59387
secunia.com / advisories/59486
security.gentoo.org / glsa/201504-01
mozilla.org / security/announce/2014/mfsa2014-50.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securityfocus.com / bid/67967
securitytracker.com / id/1030388