CVE-2021-24159

Description

Due to the lack of sanitization and lack of nonce protection on the custom CSS feature, an attacker could craft a request to inject malicious JavaScript on a site using the Contact Form 7 Style WordPress plugin through 3.1.9. If an attacker successfully tricked a site’s administrator into clicking a link or attachment, then the request could be sent and the CSS settings would be successfully updated to include malicious JavaScript.

References

https://www.wordfence.com/blog/2021/02/unpatched-vulnerability-50000-wp-sites-must-find-alternative-for-contact-form-7-style/

https://wpscan.com/vulnerability/363182f1-9fda-4363-8f6a-be37c4c07aa9

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3