MEDIUM
The XSS auditor in WebKit, as used in Apple iOS before 9.3 and Safari before 9.1, does not properly handle redirects in block mode, which allows remote attackers to obtain sensitive information via a crafted URL
Published Jun 19, 2016
4.3
MEDIUMCVSS 3.0
EPSS 1.86%
Description
The XSS auditor in WebKit, as used in Apple iOS before 9.3 and Safari before 9.1, does not properly handle redirects in block mode, which allows remote attackers to obtain sensitive information via a crafted URL.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
4.3 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.86% 0.01864
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01864
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 | 1.86% (0.01864) | 78.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.86% (0.01864) | 76.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.61% (0.00608) | 67.87th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00187) | 57.28th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.19% (0.00187) | 56.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00187) | 54.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.23% (0.01232) | 66.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.23% (0.01232) | 64.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00005.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://www.securityfocus.com/bid/91358 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036344 vdb-entryx_refsource_SECTRACK
- https://support.apple.com/HT206166 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206171 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2016/Mar/msg00005.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://www.securityfocus.com/bid/91358 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1036344 | vdb-entryx_refsource_SECTRACK | |
| https://support.apple.com/HT206166 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT206171 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published Jun 19, 2016
Updated Aug 5, 2024
Reserved Jan 13, 2016
Link CVE-2016-1864
CISA Vulnrichment
Updated n/a