CVE-2017-2492
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10...
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. tvOS before 10.2 is affected. The issue involves the "JavaScriptCore" component. It allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted web site that triggers prototype mishandling.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. tvOS before 10.2 is affected. The issue involves the "JavaScriptCore" component. It allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted web site that triggers prototype mishandling.
- Record
CVE-2017-2492- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. tvOS before 10.2 is affected. The issue involves the "JavaScriptCore" component. It allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted web site that triggers prototype mishandling.
- Record
CVE-2017-2492- Updated
- 2026-11-02
EUVDEUVD-2017-11675 No score
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. tvOS before 10.2 is affected. The issue involves the "JavaScriptCore" component. It allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted web site that triggers prototype mishandling.
- Record
EUVD-2017-11675- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vm39-gch2-wh7r
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10...
An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. tvOS before 10.2 is affected. The issue involves the "JavaScriptCore" component. It allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted web site that triggers prototype mishandling.
- Record
GHSA-vm39-gch2-wh7r- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-2492 is a medium vulnerability (CVSS 6.1) in Apple Safari, published April 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. No source names a fixed version.