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CVE-2025-66403

FileRise Vulnerable to Stored XSS via SVG Upload

MEDIUM
5.4
CVSS Score
Published: December 1, 2025 at 10:20 PM UTC
Updated: October 18, 2026 at 06:10 PM UTC
2 products affected across 2 vendorsFileriseFileRise

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 2.2.3, a stored cross-site scripting (XSS) vulnerability exists in the Filerise application due to improper handling of uploaded SVG files. The application accepts user-supplied SVG uploads without sanitizing or restricting embedded script content. When a malicious SVG containing inline JavaScript or event-based payloads is uploaded, it is later rendered directly in the browser whenever viewed within the application. Because SVGs are XML-based and allow scripting, they execute in the origin context of the application, enabling full stored XSS. This vulnerability is fixed in 2.2.3.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Filerise· Filerise
95%
v < 2.2.3
FileRise· ERROR311
90%
v < 2.2.3
Affected range stops below 2.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMExploitVendor Advisory
Source: cverecord
https://github.com/error311/FileRise/security/advisories/GHSA-qrcv-vjvf-fr29
x_refsource_MISCPatch
Source: cverecord
https://github.com/error311/FileRise/commit/f2ce43f18f0444f8f63f7c33758d1837dd5ba91e

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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