What’s Vulnerable › Vulnerabilities

CVE-2025-12400: LMB^Box Smileys <= 3.2 - Cross-Site Request Forgery to Stored Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-04 · updated 2026-10-18
• Weakness: CWE-352

Description

The LMB^Box Smileys plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.2. This is due to missing or incorrect nonce validation on the manage_page() function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• lmbbox LMB^Box Smileys: through 3.2

References

• https://plugins.trac.wordpress.org/browser/lmbbox-smileys/tags/3.2/lmbbox-smileys.php#L318
• https://plugins.trac.wordpress.org/browser/lmbbox-smileys/tags/3.2/lmbbox-smileys.php#L426
• https://plugins.trac.wordpress.org/browser/lmbbox-smileys/tags/3.2/lmbbox-smileys.php#L890
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6e80e3ac-331a-480f-94ca-06d62230cd80?source=cve

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