CVE-2017-13819
A cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML by bypassing the Same Origin Policy for quarantined HTML documents.
Does this matter?
Lower severity and a low EPSS score (1.03%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the "HelpViewer" component. A cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML by bypassing the Same Origin Policy for quarantined HTML documents.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.03% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- apple/mac os x
- Source
- product-security@apple.com
EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securitytracker.com/id/1039710Third Party Advisory, VDB Entry
- https://support.apple.com/HT208221Vendor Advisory
- http://www.securitytracker.com/id/1039710Third Party Advisory, VDB Entry
- https://support.apple.com/HT208221Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.