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 Subscribe |
WebKitGTK+ Server applications / Frameworks for developing and running applications WPE WebKit Server applications / Frameworks for developing and running applications |
Vendor |
WebKitGTK WPE WebKit |
This security bulletin contains information about 1 vulnerabilities.
Updated 29.03.2021
Added fixed version.
EUVDB-ID: #VU51747
Risk: High
CVSSv3.1:
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.
Vulnerable software versionsWebKitGTK+: 2.0.0 - 2.31.91
WPE WebKit: 2.19.93 - 2.31.91
http://support.apple.com/en-us/HT212256
http://support.apple.com/en-us/HT212257
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?