Cross-Site Request Forgery Vulnerability in LMB^Box Smileys Plugin for WordPress
CVE-2025-12400

6.1MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
4 November 2025

What is CVE-2025-12400?

The LMB^Box Smileys plugin for WordPress is susceptible to Cross-Site Request Forgery due to inadequate nonce validation in the manage_page() function. This allows unauthenticated attackers to manipulate plugin settings without the administrator's knowledge. By tricking an administrator into clicking a crafted link, an attacker could exploit this vulnerability to inject harmful scripts and update settings, compromising the security of the WordPress site.

Affected Version(s)

LMB^Box Smileys * <= 3.2

References

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

JohSka
.
CVE-2025-12400 : Cross-Site Request Forgery Vulnerability in LMB^Box Smileys Plugin for WordPress