PT-2023-12502 · WordPress · Contact Form 7 Style

Jerome Bruandet · Published 2023-07-01 · Updated 2023-07-08 · CVE-2021-4390

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Contact Form 7 Style plugin for WordPress versions up to, and including, 3.2

Description The issue is due to missing or incorrect nonce validation on the manage wp posts be qe save post() function, making it possible for unauthenticated attackers to quick edit templates via a forged request. This can happen if an attacker can trick a site administrator into performing an action, such as clicking on a link.

Recommendations For versions up to, and including, 3.2, update to a version that includes proper nonce validation to prevent Cross-Site Request Forgery attacks. As a temporary workaround, consider restricting access to the manage wp posts be qe save post() function until a patch is available.

Exploit

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-4390

Affected Products

Contact Form 7 Style

References · 14

• 🔥 https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3 · Exploit
• 🔥 https://plugins.trac.wordpress.org/browser/contact-form-7-style/trunk/cf7-style-meta-box.php#L546 · Exploit
• https://osv.dev/vulnerability/CVE-2021-4390 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4390 · Security Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4 · Note
• https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2 · Note
• https://t.me/cvenotify/53929 · Telegram Post
• https://t.me/cvenotify/53540 · Telegram Post
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5 · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1 · Note
• https://t.me/cvenotify/53506 · Telegram Post
• https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/2972cdaf-2d0a-4b55-b4f5-ccf01ff5352c?source=cve · Note