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CVE-2015-0816

68
FAUCET Score

CVE-2015-0816 is a vulnerability affecting Mozilla Firefox (before 37.0, ESR 31.x before 31.6) and Thunderbird (before 31.6) that allows remote attackers to execute arbitrary JavaScript with chrome privileges. This is due to improper restriction of resource: URLs, enabling a bypass of the Same Origin Policy, notably via PDF.js. The vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and potential for impact on integrity. While not on the KEV catalog, exploit code is publicly available, including a Metasploit module, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 31.5.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
<= 36.0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
<= 31.5CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

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
66.94%
Probability of exploitation in next 30 days
EPSS Percentile
99.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Firefox PDF.js Privileged Javascript Injection · Mar 31, 2015
ExploitDB: EDB-37958 · Aug 24, 2015
This CVE's current EPSS score of 0.6694 is in the 99th 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

Patch Available

Vendor Patches (8)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:31.6.0-1.el7_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:31.6.0-2.el5_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:31.6.0-1.el5_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:31.6.0-2.el6_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:31.6.0-1.el6_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:31.6.0-2.el7_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: xulrunner-0:31.6.0-2.el7_1
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2015-0816Moderate

Mozilla: resource: // documents can load privileged pages (MFSA 2015-33)

Mar 31, 2015

References

lists.opensuse.org / opensuse-security-announce/2015-04/msg00003.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00006.html
lists.opensuse.org / opensuse-security-announce/2015-05/msg00012.html
lists.opensuse.org / opensuse-security-announce/2015-07/msg00031.html
rhn.redhat.com / errata/RHSA-2015-0766.html
rhn.redhat.com / errata/RHSA-2015-0771.html
bugzilla.mozilla.org / show_bug.cgi
security.gentoo.org / glsa/201512-10
exploit-db.com / exploits/37958
debian.org / security/2015/dsa-3211
debian.org / security/2015/dsa-3212
mozilla.org / security/announce/2015/mfsa2015-33.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2015-2511959.html
securityfocus.com / bid/73461
securitytracker.com / id/1031996
securitytracker.com / id/1032000
ubuntu.com / usn/USN-2550-1
ubuntu.com / usn/USN-2552-1