CVE-2026-78337

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

Published Aug 24, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade to 5.15.13 or later from the main branch; no tag carries the fix. Review and remove existing SVG files under storage/app/public/company/

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Unrestricted upload of file with dangerous type in Prospero Flow CRM allows stored cross-site scripting via SVG
First Time appeared Roskus
Roskus prospero Flow Crm
Weaknesses CWE-434
CPEs cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
Vendors & Products Roskus
Roskus prospero Flow Crm
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Secur0
Published
Updated
Aug 24, 2026, 11:57 AM
Reserved
Aug 24, 2026, 10:43 AM
Status
Deferred
Published
Aug 24, 2026, 11:16 AM
Modified
Oct 12, 2026, 3:10 PM