What’s Vulnerable › Vulnerabilities

CVE-2025-3867: Ajax Comment Form CST <= 1.2 - 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: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-25 · updated 2026-06-17
• Weakness: CWE-79

Description

The Ajax Comment Form CST plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.2. This is due to missing or incorrect nonce validation via the 'acform_cst_settings' page. 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

• rafe007 Ajax Comment Form CST: through 1.2

References

• https://wordpress.org/plugins/ajax-comment-form-cst/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/2a001b31-042d-451b-ad9e-df8d41d3c2b0?source=cve

Get alerted when CVE-2025-3867 or the next vulnerability affects your stack