CVE 6.9 MEDIUM

GetSimple CMS: Stored Cross-Site Scripting (XSS) via SVG File Upload (Authenticated)_CVE-2026-27147

6.9 / 10
MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Description

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.

Basic Information

ID CVE-2026-27147
Source GitHub_M
Published Feb 20, 2026 at 23:14

Affected Product

Vendor GetSimpleCMS-CE
Product GetSimpleCMS-CE
Version <= 3.3.22
Affected Versions GetSimpleCMS-CE GetSimpleCMS-CE <= 3.3.22

CWE Classification

References

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