CVE-2025-70842 | THREATINT

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.

PUBLISHED Reserved 2026-01-09 | Published 2026-05-12 | Updated 2026-05-12 | Assigner mitre

References

github.com/fluentcms/FluentCMS/issues/2404 exploit

github.com/fluentcms/FluentCMS/issues/2404

github.com/fluentcms/FluentCMS/pull/2407

cve.org (CVE-2025-70842)

nvd.nist.gov (CVE-2025-70842)

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