CVE-2025-70842

Published May 12, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the File Management module of FluentCMS 1.2.3. The flaw allows an authenticated administrator to upload crafted SVG files containing malicious JavaScript code. Once uploaded, the script executes in the browser of any user who accesses the direct URL of the image, including unauthenticated visitors.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Stored XSS via SVG Upload in FluentCMS File Management
Type Values Removed Values Added
First Time appeared Fluentcms
Fluentcms fluentcms
Vendors & Products Fluentcms
Fluentcms fluentcms
Type Values Removed Values Added
Title Stored XSS via SVG Upload in FluentCMS File Management
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the File Management module of FluentCMS 1.2.3. The flaw allows an authenticated administrator to upload crafted SVG files containing malicious JavaScript code. Once uploaded, the script executes in the browser of any user who accesses the direct URL of the image, including unauthenticated visitors.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 12, 2026, 3:41 PM
Reserved
Jan 9, 2026, 12:00 AM
Status
Deferred
Published
May 12, 2026, 3:16 PM
Modified
Nov 4, 2026, 8:10 PM