CVE-2026-78337
Unrestricted upload of file with dangerous type in Prospero Flow CRM allows stored cross-site scripting via SVG
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.
INFO
Published Date :
Aug. 24, 2026, 11:16 a.m.
Last Modified :
Aug. 24, 2026, 11:16 a.m.
Remotely Exploit :
Yes !
Source :
4daa8cea-433a-44bd-9456-53b127fc289a
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 4daa8cea-433a-44bd-9456-53b127fc289a | ||||
| CVSS 4.0 | MEDIUM | 4daa8cea-433a-44bd-9456-53b127fc289a |
Solution
- Update Roskus Prospero Flow CRM to version 5.15.13.
- Restrict upload of SVG files with script elements.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-78337.
| URL | Resource |
|---|---|
| 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 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-78337 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-78337
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-78337 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-78337 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 4daa8cea-433a-44bd-9456-53b127fc289a
Aug. 24, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/Roskus/prospero-flow-crm', 'vendor': 'Roskus', 'modules': ['Company'], 'product': 'Prospero Flow CRM', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '5.15.13', 'versionType': 'semver'}], 'programFiles': ['app/Http/Controllers/Company/CompanySaveController.php'], 'defaultStatus': 'unaffected'}] 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-434 Added Reference https://github.com/Roskus/prospero-flow-crm/commit/aaa4fc76bf039d5011884b86b8f29ddd50d17b17 Added Reference https://secur0.com/en/cna/cve-list/cve-2026-78337-unrestricted-upload-company-logo-svg-xss