CVE-2025-15549 — MEDIUM (4.8)

Q: How severe is CVE-2025-15549?

CVE-2025-15549 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-15549?

Check the references section above for vendor advisories and patch information. Affected products include: Fluentcms Fluentcms.

Vulnerability 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 Score

4.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Fluentcms	Fluentcms	<= 0.0.5

Related Weaknesses (CWE)

CWE-79

References

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

FAQ

What is CVE-2025-15549?

CVE-2025-15549 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 ...

How severe is CVE-2025-15549?

CVE-2025-15549 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-15549?

Check the references section above for vendor advisories and patch information. Affected products include: Fluentcms Fluentcms.