CVE-2021-24159
HIGHContact Form 7 Style < 3.1.9 - Cross-Site Request Forgery via Custom CSS Feature
Title source: llmDescription
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 (2)
Core 2
Core References
Third Party Advisory x_refsource_confirm
https://wpscan.com/vulnerability/363182f1-9fda-4363-8f6a-be37c4c07aa9
Third Party Advisory x_refsource_misc
https://www.wordfence.com/blog/2021/02/unpatched-vulnerability-50000-wp-sites-must-find-alternative-for-contact-form-7-style/
Scores
CVSS v3
8.8
EPSS
0.0059
EPSS Percentile
44.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-352
Status
published
Products (1)
rocklobster/contact_form_7
< 3.1.9
Published
Apr 05, 2021
Tracked Since
Feb 18, 2026