CVE-2026-78337

Unrestricted upload of file with dangerous type in Prospero Flow CRM allows stored cross-site scripting via SVG

MEDIUM
4.8
CVSS Score
Published: August 24, 2026 at 11:01 AM UTC
Updated: October 12, 2026 at 03:10 PM UTC
1 product affected across 1 vendorProspero Flow CRM

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Unrestricted Upload of File with Dangerous Type in the company logo upload in Roskus Prospero Flow CRM before 5.15.13 allows an authenticated user holding the create company and update company permissions to execute arbitrary JavaScript in the application origin via an SVG document containing an embedded script element.

Affected

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

0 ≤ v < 5.15.130
Affected range stops below 5.15.13, 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:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.8MEDIUMSecur0
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434

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