Is CVE-2025-66154 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2025-66154 being exploited in the wild.

How severe is CVE-2025-66154?

Medium severity, with a CVSS score of 5.4, published 31 December 2025.

Which products and versions are affected?

Merkulove Couponer for Elementor through 1.1.7.

Is there a fix for CVE-2025-66154?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2025-66154 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2025-66154?

Check whether you run Merkulove Couponer for Elementor at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2025-66154: merkulove Couponer for Elementor broken access control

CVE-2025-66154 · Severity: medium · CVSS 5.4 · Published 2025-12-31

Couponer for Elementor is a WordPress plugin that integrates coupon functionality with the Elementor page builder. A broken access control vulnerability in this plugin allows authenticated users (those with subscriber privileges or higher) to access pages and perform actions they should not be authorized to perform, such as viewing other users' data or manipulating coupons. This could lead to unauthorized data exposure and business logic bypass on affected websites.

Vendors: Merkulove.

Quick answers

Is CVE-2025-66154 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2025-66154 being exploited in the wild.
How severe is CVE-2025-66154?: Medium severity, with a CVSS score of 5.4, published 31 December 2025.
Which products and versions are affected?: Merkulove Couponer for Elementor through 1.1.7.
Is there a fix for CVE-2025-66154?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2025-66154 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2025-66154?: Check whether you run Merkulove Couponer for Elementor at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is a broken access control flaw (CWE-639) affecting Couponer for Elementor through version 1.1.7. The plugin fails to properly validate user permissions before allowing access to sensitive functionality, allowing authenticated users with subscriber-level privileges to bypass authorization checks. The attack vector is network-based and requires valid user authentication. An attacker with subscriber credentials can exploit this to access restricted pages or perform unauthorized actions. As of the advisory publication date, no official patch is available from the vendor.

Affected products

merkulove Couponer for Elementor through 1.1.7

Timeline

2025-11-10: disclosed: Vulnerability reported to Patchstack by Phat RiO
2025-12-31: advisory: Published by Patchstack and CVE-2025-66154 assigned

References

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