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

CVE-2026-27147

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

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
GetSimpleCMS-CE / GetSimpleCMS-CE	affected <= 3.3.22

CWE

CWE-79

References

https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-5gmq-hrcx-6w45

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.