CVE-2026-78337 PUBLISHED

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

Assigner: Secur0
Reserved: 24.08.2026 Published: 24.08.2026 Updated: 24.08.2026

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.

Metrics

CVSS 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
CVSS Score: 4.8

Product Status

Vendor Roskus
Product Prospero Flow CRM
Versions Default: unaffected
  • affected from 0 to 5.15.13 (excl.)

Solutions

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/

Credits

  • Adrián García López finder
  • Darío Rivas Quero analyst
  • Xoán M. Otero Jorge analyst
  • Secur0 CNA coordinator
  • Gustavo Novaro remediation developer

References

Problem Types

  • CWE-434 Unrestricted upload of file with dangerous type CWE

Impacts

  • CAPEC-592 Stored XSS