CVE-2025-15549

MEDIUM EPSS 13.2%
Published Jan 29, 20265mo ago · Modified Jun 17, 20261w ago
4.8 CVSS 4.0
Medium
Find Similar
Published Jan 29, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

Description

FluentCMS 2026 contains a stored cross-site scripting vulnerability that allows authenticated administrators to upload SVG files with embedded JavaScript via the File Management module. Attackers can upload malicious SVG files that execute JavaScript in the browser of any user accessing the uploaded file URL.

CVSS Details

Base Score
4.8
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
13.2% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
fluentcmsfluentcms* ≤0.0.5

References 2

  • github.com https://github.com/fluentcms/FluentCMS/issues/2404
    ExploitVendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/fluentcms-stored-xss-via-svg-upload-in-file-management
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.