Cross-site scripting in WordPress - CVE-2020-4047
Published: June 12, 2020 / Updated: June 22, 2020
Vulnerability identifier: #VU29005
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-4047
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WordPress.ORG
Affected software:
WordPress
WordPress
Detailed vulnerability description
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user with upload permissions is able to add JavaScript to media files and execute arbitrary script code in user's browser in context of vulnerable 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.
How to mitigate CVE-2020-4047
Install updates from vendor's website.