SB2019053007 - Stored XSS in WP Statistics plugin for WordPress

Description

This security bulletin contains information about 1 vulnerability.

1) Stored cross-site scripting (CVE-ID: CVE-2019-12566)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

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 Page's title. A remote authenticated attacker with Editor role can create a page with title that contains malicious javascript code and execute arbitrary HTML and 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.

Remediation

Install update from vendor's website.

References

• https://github.com/wp-statistics/wp-statistics/commit/aec4359975344f75385ae1ec257575d8131d6ec2
• https://github.com/wp-statistics/wp-statistics/commit/cda6dcaf123f4df1e01fbc819f47a98ca5c8ac0a
• https://github.com/wp-statistics/wp-statistics/issues/271
• https://wordpress.org/plugins/wp-statistics/#developers