Mozilla: Same-origin bypass through anchor navigation (MFSA 2015-40)
Published Apr 1, 2015
7.5
HIGHCVSS 2.0
EPSS 3.25%
Description
Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 allow remote attackers to bypass the Same Origin Policy and execute arbitrary JavaScript code with chrome privileges via vectors involving anchor navigation, a similar issue to CVE-2015-0818.
Affected products
No data.
- ≤ 31.5.3
- ≤ 36.0.4
- 31.0
- 31.1.0
- 31.1.1
- 31.3.0
- 31.5.1
- 31.5.2
- 31.1
- 31.2
- 31.3
- 31.4
- 31.5
- ≤ 31.5
No data.
Red Hat Enterprise Linux 5
firefox-0:31.6.0-2.el5_11
Fixed · RHSA-2015:0766
Red Hat Enterprise Linux 5
thunderbird-0:31.6.0-1.el5_11
Fixed · RHSA-2015:0771
Red Hat Enterprise Linux 6
firefox-0:31.6.0-2.el6_6
Fixed · RHSA-2015:0766
Red Hat Enterprise Linux 6
thunderbird-0:31.6.0-1.el6_6
Fixed · RHSA-2015:0771
Red Hat Enterprise Linux 7
firefox-0:31.6.0-2.ael7b_1
Fixed · RHSA-2015:0766
Red Hat Enterprise Linux 7
thunderbird-0:31.6.0-1.ael7b_1
Fixed · RHSA-2015:0771
Red Hat Enterprise Linux 7
xulrunner-0:31.6.0-2.ael7b_1
Fixed · RHSA-2015:0766
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:31.6.0-2.el5_11 | Fixed | RHSA-2015:0766 |
| Red Hat Enterprise Linux 5 | thunderbird-0:31.6.0-1.el5_11 | Fixed | RHSA-2015:0771 |
| Red Hat Enterprise Linux 6 | firefox-0:31.6.0-2.el6_6 | Fixed | RHSA-2015:0766 |
| Red Hat Enterprise Linux 6 | thunderbird-0:31.6.0-1.el6_6 | Fixed | RHSA-2015:0771 |
| Red Hat Enterprise Linux 7 | firefox-0:31.6.0-2.ael7b_1 | Fixed | RHSA-2015:0766 |
| Red Hat Enterprise Linux 7 | thunderbird-0:31.6.0-1.ael7b_1 | Fixed | RHSA-2015:0771 |
| Red Hat Enterprise Linux 7 | xulrunner-0:31.6.0-2.ael7b_1 | Fixed | RHSA-2015:0766 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.25% (0.03246) | 87.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.27% (0.03269) | 86.75th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.88% (0.00880) | 73.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.91% (0.02914) | 77.30th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.88% (0.00880) | 73.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.70% (0.01705) | 88.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.99% (0.01991) | 86.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (21)
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00006.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00012.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2015-0766.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-0771.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2015/dsa-3211 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2015/dsa-3212 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2015/mfsa2015-40.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/73455 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1031996 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1032000 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2550-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2552-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-0801 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1146339 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1207084 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-0801
- https://security.gentoo.org/glsa/201512-10 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-0801
Change history (0)
No recorded changes yet.