Vulnerabilities

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, circumventing restrictions on SuperAdmin account creation and privilege assignment.

** Disputed ** An Information Disclosure vulnerability in CouchCMS 2.4 allow an Admin user to read arbitrary files via traversing directories back after back. It can Disclosure the source code or any other confidential information if weaponize accordingly. NOTE: A community member states that this is not a CouchCMS vulnerability and that if /\ is accessible it is a web-server configuration issue.

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.

An open redirect vulnerability in the sanitize_url() parameter of CouchCMS v2.3 allows attackers to redirect a victim user to an arbitrary web site via a crafted URL.

Couch through 2.0 allows remote attackers to discover the full path via a direct request to includes/mysql2i/mysql2i.func.php or addons/phpmailer/phpmailer.php.