SB2017011118 - Cross-site scripting (XSS) in WordPress WordPress
Published: January 11, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cross-site scripting (XSS) (CVE-ID: CVE-2017-5488)
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in "wp-admin/update-core.php" script in WordPress before 4.7.1 when processing the "name" and "version" headers of a plugin. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code 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.
Remediation
Install update from vendor's website.