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

Quick assessment

Affected
Roskus Prospero Flow CRM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

roskus Prospero Flow CRM是roskus组织开源的一款客户关系管理软件。 roskus Prospero Flow CRM 5.15.13之前版本存在任意文件上传漏洞，该漏洞源于公司logo上传功能对上传文件类型限制不严，可能允许具有创建公司和更新公司权限的已认证用户通过包含嵌入式脚本元素的SVG文档在应用程序源中执行任意JavaScript。

CVSS 4.8 · Medium EPSS 0.40% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
Roskus Prospero Flow CRM < 5.15.13 affected
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I. Basic Information for CVE-2026-78337

Vulnerability Information
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Vulnerability Title
Unrestricted upload of file with dangerous type in Prospero Flow CRM allows stored cross-site scripting via SVG
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
roskus Prospero Flow CRM 任意文件上传漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
roskus Prospero Flow CRM是roskus组织开源的一款客户关系管理软件。 roskus Prospero Flow CRM 5.15.13之前版本存在任意文件上传漏洞，该漏洞源于公司logo上传功能对上传文件类型限制不严，可能允许具有创建公司和更新公司权限的已认证用户通过包含嵌入式脚本元素的SVG文档在应用程序源中执行任意JavaScript。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Roskus Prospero Flow CRM 0 ~ 5.15.13 -

II. Public POCs for CVE-2026-78337

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III. Intelligence Information for CVE-2026-78337

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Patches & Fixes for CVE-2026-78337 (1)

Vendor Advisories for CVE-2026-78337 (1)

IV. Related Vulnerabilities

Same product: Prospero Flow CRM
Same vendor: Roskus
Same weakness: CWE-434

V. Comments for CVE-2026-78337

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