Cross-site scripting in WordPress - CVE-2017-6818
Published: March 10, 2017 / Updated: October 18, 2018
Vulnerability identifier: #VU5936
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6818
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 attacker to perform cross-site scripting (XSS) attacks.
The vulnerability is caused by incorrect filtration of input data passed via taxonomy term names in wp-admin/js/tags-box.js. A remote attacker can inject arbitrary HTML and script code and execute it in victim’s browser in security 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-2017-6818
Update to version 4.7.3.