CVE-2025-3863: post carousel slider for elementor vulnerability

What is known

The Post Carousel Slider for Elementor plugin for WordPress is vulnerable to improper authorization due to a missing capability check on the process_wbelps_promo_form() function in all versions up to, and including, 1.6.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to trigger the plugin’s support‐form handler to send arbitrary emails to the site’s support address.

Business impact

Successful exploitation of CVE-2025-3863, a medium vulnerability (CVSS 4.3) affecting post carousel slider for elementor, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.

Recommended administrator action

Confirm whether post carousel slider for elementor is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.

Sources

• NVD
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