MEDIUM
Mozilla Firefox before 44.0 on Android does not ensure that HTTPS is used for a lightweight-theme installation, which allows man-in-the-middle attackers to replace a theme's images and colors by modifying the client-server data stream
Published Jan 31, 2016
5.3
MEDIUMCVSS 3.0
EPSS 0.45%
Description
Mozilla Firefox before 44.0 on Android does not ensure that HTTPS is used for a lightweight-theme installation, which allows man-in-the-middle attackers to replace a theme's images and colors by modifying the client-server data stream.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.3 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact Low
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.45% 0.00452
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00452
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 | 0.45% (0.00452) | 36.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.45% (0.00452) | 35.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00232) | 43.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00069) | 32.14th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.07% (0.00069) | 29.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00069) | 27.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://www.mozilla.org/security/announce/2016/mfsa2016-12.html x_refsource_CONFIRMVendor Advisory
- http://www.securitytracker.com/id/1034825 vdb-entryx_refsource_SECTRACK
- https://bugzilla.mozilla.org/show_bug.cgi?id=1235876 x_refsource_CONFIRM
- https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
| Link | Providers | Tags |
|---|---|---|
| http://www.mozilla.org/security/announce/2016/mfsa2016-12.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securitytracker.com/id/1034825 | vdb-entryx_refsource_SECTRACK | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1235876 | x_refsource_CONFIRM | |
| https://security.gentoo.org/glsa/201605-06 | vendor-advisoryx_refsource_GENTOO |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mozilla
Published Jan 31, 2016
Updated Aug 5, 2024
Reserved Jan 20, 2016
Link CVE-2016-1948
CISA Vulnrichment
Updated n/a