Overview
- Description
- This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..
- Source
- product-security@apple.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.1
- Impact score
- 2.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:P/A:N
Known exploits
Data from CISA
- Vulnerability name
- Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability
- Exploit added on
- Nov 3, 2021
- Exploit action due
- Nov 17, 2021
- Required action
- Apply updates per vendor instructions.
Weaknesses
- nvd@nist.gov
- CWE-79
Configurations
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{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"matchCriteriaId": "20B9F5C7-15B9-44F6-8167-2532394C8346",
"versionEndExcluding": "14.4.2"
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7FE2035D-B101-455F-B591-C2EEC59ACE9D",
"versionEndExcluding": "12.5.2"
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5A5DBDBF-B828-416D-B69C-F70F1078C13A",
"versionEndExcluding": "14.4.2",
"versionStartIncluding": "13.0"
},
{
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"matchCriteriaId": "D8059BAC-7C40-446D-AA16-A5EA5EEBCEA8",
"versionEndExcluding": "7.3.3"
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"operator": "OR"
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}
]