CVE-2025-3863: post carousel Auth Bypass — Fix

Description

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.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
plugin-devs	post_carousel_slider_for_elementor	< 1.7.0

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3316424%40post-carousel-slider-for-elementor&new=3316424%40post-carousel-slider-for-elementor&sfp_email=&sfph_mail=

Other References

https://plugins.trac.wordpress.org/browser/post-carousel-slider-for-elementor/tags/1.5.0/support-page/class-support-page.php#L28 https://wordpress.org/plugins/post-carousel-slider-for-elementor/#developers https://www.wordfence.com/threat-intel/vulnerabilities/id/0b92afdf-51e0-4cf5-9f2b-997b9ff98b23?source=cve

Frequently Asked Questions

What is CVE-2025-3863? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-3863? +

CVE-2025-3863 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-3863? +

CVE-2025-3863 affects products from plugin-devs, specifically: post_carousel_slider_for_elementor. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3863? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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