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Exploits
ID:6877 - Exploit for Universal cross-site scripting in WebKitGTK+ and WPE WebKit - CVE-2021-1879
ID:6877 - Exploit for Universal cross-site scripting in WebKitGTK+ and WPE WebKit - CVE-2021-1879
Published: October 12, 2021
Vulnerability identifier: #VU51747
Vulnerability risk: High
CVE-ID: CVE-2021-1879
CWE-ID: CWE-79
Exploitation vector: Remote access
Vulnerable software:
WebKitGTK+
WPE WebKit
WebKitGTK+
WPE WebKit
Link to public exploit:
Vulnerability description
The 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.
Remediation
Install update from vendor's website.