CVE-2020-9843
Processing maliciously crafted web content may lead to a cross site scripting attack.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to a cross site scripting attack.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- EPSS
- 1.16% probability · 67th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- apple/icloud · apple/itunes · apple/safari · apple/ipados · apple/iphone os · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS 1.2% since 26 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
- https://support.apple.com/HT211168Vendor Advisory
- https://support.apple.com/HT211171Vendor Advisory
- https://support.apple.com/HT211175Vendor Advisory
- https://support.apple.com/HT211177Broken Link, Vendor Advisory
- https://support.apple.com/HT211178Vendor Advisory
- https://support.apple.com/HT211179Vendor Advisory
- https://support.apple.com/HT211181Vendor Advisory
- https://support.apple.com/HT211168Vendor Advisory
- https://support.apple.com/HT211171Vendor Advisory
- https://support.apple.com/HT211175Vendor Advisory
- https://support.apple.com/HT211177Broken Link, Vendor Advisory
- https://support.apple.com/HT211178Vendor Advisory
- https://support.apple.com/HT211179Vendor Advisory
- https://support.apple.com/HT211181Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.