CVE-2020-37238
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk14th percentile - higher than 14% of all known CVEs
Summary
CMS Made Simple 2.2.15 contains a stored cross-site scripting vulnerability allowing authenticated users with Content Manager access to inject malicious scripts through SVG file uploads. Attackers can upload SVG files with embedded JavaScript, which execute when other authenticated users access the file.
Risk Assessment
Cookie theft and session hijacking are possible, leading to data confidentiality breaches.
Recommendation
Update CMS Made Simple to the latest version and restrict SVG file uploads.
Other vulnerabilities in CMS Made Simple
See all- CVE-2017-8912High
CMS Made Simple (CMSMS) version 2.1.6 allows remote authenticated administrators to execute arbitrary PHP code via the code parameter to admin/editusertag.php, related to the CreateTagFunction and CallUserTag functions.
- CVE-2016-7904High
CVE-2016-7904 in CMS Made Simple before version 2.1.6 has a cross-site request forgery (CSRF) vulnerability that allows remote attackers to hijack the authentication of administrators for requests that create accounts via an admin/adduser.php request.
- CVE-2023-36969High
CMS Made Simple v2.2.17 is vulnerable to Remote Command Execution via the File Upload Function.
- CVE-2017-17735Critical
CMS Made Simple (CMSMS) before 2.2.5 does not properly cache login information in cookies.
- CVE-2017-17734Critical
CMS Made Simple (CMSMS) before version 2.2.5 does not properly cache login information in sessions.
- CVE-2017-16783Critical
In CMS Made Simple version 2.1.6, there is a Server-Side Template Injection vulnerability via the cntnt01detailtemplate parameter.
- CVE-2017-6070Critical
CMS Made Simple version 1.x before 0.8.1.6 allows remote attackers to execute PHP code via the cntnt01fbrp_forma_form_template parameter in admin_store_form.
- CVE-2026-5203Medium
A vulnerability was found in CMS Made Simple up to version 2.2.22 in the _copyFilesToFolder function of the UserGuide Module XML Import component. Manipulation leads to path traversal, enabling remote attack. The exploit is publicly available, and the project confirmed it has been fixed in the next release.
- CVE-2023-36970Medium
A XSS vulnerability in CMS Made Simple v2.2.17 allows remote attackers to inject arbitrary web scripts or HTML via the File Upload function.
Original NVD description (English source)
CMS Made Simple 2.2.15 contains a stored cross-site scripting vulnerability that allows authenticated users with Content Manager access to inject malicious scripts through SVG file uploads. Attackers can upload SVG files containing embedded JavaScript to the file manager, which executes when other authenticated users access the uploaded file, enabling cookie theft and session hijacking.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS