Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-1879 |
CWE-ID | CWE-79 |
Exploitation vector | Network |
Public exploit | This vulnerability is being exploited in the wild. |
Vulnerable software |
Apple iOS Operating systems & Components / Operating system |
Vendor | Apple Inc. |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
Updated: 30.30.2021
Updated list of affected versions.
EUVDB-ID: #VU51747
Risk: High
CVSSv3.1: 5.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C]
CVE-ID: CVE-2021-1879
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: Yes
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within the WebKit engine. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of arbitrary website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Note, the vulnerability is being actively exploited in the wild.
Install update from vendor's website.
Apple iOS: 12.0 16A366 - 14.4.1 18D61
CPE2.3http://support.apple.com/en-us/HT212256
http://support.apple.com/en-us/HT212257
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.