CVE-2025-12895 - CVE House

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Status published Medium CVE-2025-12895

Kalium <= 3.29 - Missing Authorization to Unauthenticated Mail Relay via kalium_vc_contact_form_request

5.3 CVSS

Vulnerability Description

The Kalium 3 | Creative WordPress & WooCommerce Theme theme for WordPress is vulnerable to unauthorized email sending due to a missing capability check on the kalium_vc_contact_form_request() function in all versions up to, and including, 3.29. This makes it possible for unauthenticated attackers to use the theme an an open mail relay and send email to arbitrary email addresses on the server's behalf.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Ahmed Rayen Ayari

References

More from Laborator

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WordPress Kalium Theme <= 3.18.3 - Cross Site Scripting (XSS) Vulnerability

WordPress Kalium Theme <= 3.18.3 - Broken Access Control Vulnerability

WordPress Kalium Theme <= 3.18.3 - Cross Site Request Forgery (CSRF) Vulnerability

WordPress Kalium theme <= 3.25 - Arbitrary Code Execution vulnerability

Affected Vendor

Laborator

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Affected Software

Kalium 3 | Creative WordPress & WooCommerce Theme

Vulnerable Versions:

0

Timeline

Official Publish: January 15th, 2026

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1078 Valid Accounts

T1531 Account Access Removal