This page lists publicly disclosed CVE vulnerabilities affecting getsimple-ce getsimple_cms (linked via NVD CPE). Each row includes severity scores, summaries, and publication dates to help identify and analyze security issues.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2026-28495 | GetSimple CMS is a content management system. The massiveAdmin plugin (v6.0.3) bundled with GetSimpleCMS-CE v3.3.22 allows an authenticated administrator to overwrite the gsconfig.php configuration file with arbitrary PHP code via the gsconfig editor module. The form lacks CSRF protection, enabling a remote unauthenticated attacker to exploit this via Cross-Site Request Forgery against a logged-in admin, achieving Remote Code Execution (RCE) on the web server. | [email protected] | 9.6 | 0.06% | 2026-03-10 | 2026-03-12 |
| CVE-2026-26351 | GetSimpleCMS Community Edition (CE) versions prior to 3.3.22 (3.3.16 tested) contains a stored cross-site scripting (XSS) vulnerability in the Theme to Components functionality within components.php. User-supplied input provided to the "slug" field of a component is stored without proper output encoding. While other fields are sanitized using safe_slash_html(), the slug parameter is written to XML and later rendered in the administrative interface without sanitation, resulting in persistent exec | [email protected] | 4.8 | 0.02% | 2026-02-24 | 2026-05-26 |
| CVE-2026-27202 | GetSimple CMS is a content management system. All versions of GetSimple CMS have a flaw in the Uploaded Files feature that allows for arbitrary file reads. This issue has not been fixed at the time of publication. | [email protected] | 8.8 | 0.02% | 2026-02-21 | 2026-02-24 |
| CVE-2026-27161 | GetSimple CMS is a content management system. All versions of GetSimple CMS rely on .htaccess files to restrict access to sensitive directories such as /data/ and /backups/. If Apache AllowOverride is disabled (common in hardened or shared hosting environments), these protections are silently ignored, allowing unauthenticated attackers to list and download sensitive files including authorization.xml, which contains cryptographic salts and API keys. This issue does not have a fix at the time of p | [email protected] | 8.7 | 0.03% | 2026-02-21 | 2026-02-24 |
| CVE-2026-27147 | GetSimple CMS is a content management system. All versions of GetSimple CMS are vulnerable to XSS through SVG file uploads. Authenticated users can upload SVG files via the administrative upload functionality, but they are not properly sanitized or restricted, allowing an attacker to embed malicious JavaScript. When the uploaded SVG file is accessed, the script executes in the browser. This issue does not have a fix at the time of publication. | [email protected] | 6.9 | 0.05% | 2026-02-21 | 2026-02-24 |
| CVE-2026-27146 | GetSimple CMS is a content management system. All versions of GetSimple CMS do not implement CSRF protection on the administrative file upload endpoint. As a result, an attacker can craft a malicious web page that silently triggers a file upload request from an authenticated victim’s browser. The request is accepted without requiring a CSRF token or origin validation. This allows an attacker to upload arbitrary files to the application without the victim’s knowledge or consent. In order to explo | [email protected] | 7.1 | 0.02% | 2026-02-21 | 2026-02-24 |
| CVE-2025-48492 | GetSimple CMS is a content management system. In versions starting from 3.3.16 to 3.3.21, an authenticated user with access to the Edit component can inject arbitrary PHP into a component file and execute it via a crafted query string, resulting in Remote Code Execution (RCE). This issue is set to be patched in version 3.3.22. | [email protected] | 8.6 | 2.80% | 2025-05-30 | 2025-06-04 |
| CVE-2024-55088 | GetSimple CMS CE 3.3.19 is vulnerable to Server-Side Request Forgery (SSRF) in the backend plugin module. | [email protected] | 8.8 | 0.21% | 2024-12-18 | 2025-04-17 |
| CVE-2024-55086 | In the GetSimple CMS CE 3.3.19 management page, Server-Side Request Forgery (SSRF) can be achieved in the plug-in download address in the backend management system. | [email protected] | 7.2 | 0.06% | 2024-12-18 | 2025-04-18 |
| CVE-2024-55085 | GetSimple CMS CE 3.3.19 suffers from arbitrary code execution in the template editing function in the background management system, which can be used by an attacker to implement RCE. | [email protected] | 9.8 | 0.64% | 2024-12-16 | 2025-04-17 |