WebKit, as used in Apple Safari before 5.0.4 and iOS before 4.3, does not properly handle the Attr.style accessor, which allows remote attackers to bypass the Same Origin Policy and inject Cascading Style Sheets (CSS) token sequences via a crafted web site
Published Mar 11, 2011
4.3
MEDIUMCVSS 2.0
EPSS 1.65%
Description
WebKit, as used in Apple Safari before 5.0.4 and iOS before 4.3, does not properly handle the Attr.style accessor, which allows remote attackers to bypass the Same Origin Policy and inject Cascading Style Sheets (CSS) token sequences via a crafted web site.
Affected products
No data.
Configuration 1
- ≤ 5.0.3
- 1.0
- 1.0
- 1.0
- 1.0.0
- 1.0.0b1
- 1.0.0b2
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.3
- 1.0.3
- 1.1
- 1.1.0
- 1.1.1
- 1.2
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.3
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.2
- 1.3.2
- 2
- 2.0
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.3
- 2.0.3
- 2.0.3
- 2.0.3
- 2.0.4
- 3
- 3.0
- 3.0.0
- 3.0.0b
- 3.0.1
- 3.0.1b
- 3.0.2
- 3.0.2b
- 3.0.3
- 3.0.3b
- 3.0.4
- 3.0.4b
- 3.1.0
- 3.1.0b
- 3.1.1
- 3.1.2
- 3.2.0
- 3.2.1
- 3.2.2
- 4.1
- 4.1.1
- 4.1.2
- 5.0
- 5.0.1
- 5.0.2
- n/a
Configuration 2
- n/a
- ≤ 4.2
- 1.0.0
- 1.0.1
- 1.0.2
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 2.0
- 2.0.0
- 2.0.1
- 2.0.2
- 2.1
- 2.1.1
- 2.2
- 2.2.1
- 3.0
- 3.0.1
- 3.1
- 3.1.2
- 3.1.3
- 3.2
- 3.2.1
- 3.2.2
- 4.0
- 4.0.1
- 4.0.2
- 4.1
No data.
No Red Hat product state for this CVE.
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:M/Au:N/C:N/I:P/A:N
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 | 1.65% (0.01655) | 75.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.65% (0.01655) | 73.44th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.39% (0.00391) | 58.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.50% (0.00502) | 77.16th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.50% (0.00502) | 75.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.50% (0.00502) | 72.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (7)
- http://lists.apple.com/archives/security-announce/2011//Mar/msg00003.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://lists.apple.com/archives/security-announce/2011//Mar/msg00004.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://support.apple.com/kb/HT4564 x_refsource_CONFIRMVendor Advisory
- http://support.apple.com/kb/HT4566 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/46814 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1025182 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66000 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2011//Mar/msg00003.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2011//Mar/msg00004.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://support.apple.com/kb/HT4564 | x_refsource_CONFIRMVendor Advisory | |
| http://support.apple.com/kb/HT4566 | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/46814 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1025182 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/66000 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.