CVE-2026-78337: CWE-434 Unrestricted upload of file with dangerous type in Roskus Prospero Flow CRM
Description
CVE-2026-78337 is a vulnerability in Roskus Prospero Flow CRM before version 5.15.13 that allows authenticated users with create and update company permissions to upload SVG files containing embedded scripts. This can lead to arbitrary JavaScript execution within the application origin.
CVSS v4.0
Score 4.8medium
Affected software
Roskus
Prospero Flow CRM
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability involves an unrestricted upload of files with dangerous types, specifically in the company logo upload feature of Roskus Prospero Flow CRM versions prior to 5.15.13. Authenticated users with the necessary permissions can upload SVG documents that include embedded script elements, enabling execution of arbitrary JavaScript code in the context of the application origin. This is classified under CWE-434 (Unrestricted Upload of File with Dangerous Type).
Potential Impact
An attacker with create and update company permissions can execute arbitrary JavaScript within the application origin by uploading a crafted SVG file. This could potentially lead to cross-site scripting (XSS) attacks affecting users of the application. The CVSS 4.0 base score is 4.8, indicating a medium severity impact with network attack vector, low attack complexity, and requiring privileges and user interaction.
Mitigation Recommendations
A fix is available in Roskus Prospero Flow CRM version 5.15.13. Users should upgrade to version 5.15.13 or later to remediate this vulnerability. No additional mitigation steps are indicated in the provided data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Secur0
- Date Reserved
- 2026-08-24T10:43:34.502Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a8c341dacd9273b497e22d8
Added to database: 08/24/2026, 12:07:57 UTC
Last enriched: 09/10/2026, 21:48:01 UTC
Last updated: 10/08/2026, 06:48:19 UTC
Views: 81
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