CVE-2026-27147

MEDIUM

5.4

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.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published2/21/2026

Last Modified2/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

getsimple-ce:getsimple_cms

Weaknesses (CWE)

CWE-79

References

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

IOC Correlations

No correlations recorded

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