Couchcms vulnerabilities
Published CVEs affecting Couchcms products: 5 record(s), with severity, exploitation and fixes.
CVE-2021-47955
Medium · 5.4
CWE-79 May 16, 2026
CouchCMS 2.2.1 Cross-Site Scripting via SVG File Upload
CouchCMS 2.2.1 contains a cross-site scripting vulnerability that allows authenticated attackers to execute arbitrary JavaScript by uploading malicious SVG files through the file upload functionality. Attackers can upload SVG files containing embedded script tags to the browse.php endpoint, which are then executed in users' browsers when the files are accessed or previewed.
CVE-2021-47958
Medium · 4.3
CWE-918 May 15, 2026
CouchCMS 2.2.1 Server-Side Request Forgery via SVG upload
CouchCMS 2.2.1 contains a server-side request forgery vulnerability that allows authenticated attackers to make arbitrary HTTP requests by uploading malicious SVG files. Attackers can upload SVG files containing external entity references through the browse.php endpoint to access internal services and resources.
CVE-2026-29002
High · 7.2
CWE-639 Apr 10, 2026
CouchCMS Privilege Escalation via f_k_levels_list Parameter
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.
CVE-2025-67004
Medium · 6.5
CWE-22 Jan 9, 2026
Path Traversal in Couchcms
** 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 /\<file> is accessible it is a web-server configuration issue.
CVE-2025-15005
Low · 3.7
CWE-320 Dec 21, 2025
CouchCMS reCAPTCHA config.example.php hard-coded key
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.