CVE-2025-15005

LowCVSS 3.7

Published: 22/12/2025(UTC)Updated: 19/10/2026(UTC)Translated: 20/10/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.46%

39th percentile - higher than 39% of all known CVEs

Summary

A security flaw has been discovered in CouchCMS up to 2.4, affecting the file couch/config.example.php of the reCAPTCHA Handler component. Manipulation of the K_RECAPTCHA_SITE_KEY/K_RECAPTCHA_SECRET_KEY arguments results in use of a hard-coded cryptographic key. The attack can be launched remotely, is characterized by high complexity, and the exploit has been released to the public.

Risk Assessment

An attacker could use the exposed key to bypass reCAPTCHA or other protections, potentially leading to unauthorized access.

Recommendation

Update CouchCMS to a patched version or replace default reCAPTCHA keys with unique, secure values.

Other vulnerabilities in CouchCMS

CVE-2026-29002High
CouchCMS contains a privilege escalation vulnerability that allows authenticated Admin-level users to create SuperAdmin accounts by tampering with the f_k_levels_list parameter in user creation requests. Attackers can modify the parameter value from 4 to 10 in the HTTP request body to bypass authorization validation and gain full application control.

Original NVD description (English source)

A security flaw has been discovered in CouchCMS up to 2.4. Affected is an unknown function of the file couch/config.example.php of the component reCAPTCHA Handler. The manipulation of the argument K_RECAPTCHA_SITE_KEY/K_RECAPTCHA_SECRET_KEY results in use of hard-coded cryptographic key . It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitability is told to be difficult. The exploit has been released to the public and may be used for attacks.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS