All vulnerabilities

Servers and applications

CVE-2021-24159

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…

Severity
High 8.8
Published
5 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Contact Form 7Servers and applications · cpe:a:rocklobster:contact_form_7
  • Every version up to 3.1.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-24159
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-24159