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TI-2025-14188 Aliases CVE-2025-15549GHSA-pvgm-mg5q-xc76

FluentCMS 2026 Stored XSS via SVG Upload in File Management

Priority MEDIUM 55CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00257 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FluentCMSFluentCMSup to 0.0.5—No fix listedCNA
  • FluentCMS VendorFluentCMS Affected up to 0.0.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fluentcms:fluentcms:*:*:*:*:*:*:*:*up to 0.0.5VulnerableFluentCMS
  • cpe:2.3:a:fluentcms:fluentcms:*:*:*:*:*:*:*:* Versions up to 0.0.5 Vulnerable ·FluentCMS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-15549
  2. 2026-10-03 Alias added: GHSA-pvgm-mg5q-xc76

References

Exploit 1

  • TI-2025-41196 A cross-site scripting (XSS) vulnerability was identified in FluentCMS 1.2.3. CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences