Stored Cross-site Scripting (CWE-79) in the email module in Roskus Prospero Flow CRM before 5.4.4 allows a remote, authenticated low-privileged user to execute arbitrary JavaScript in another user's browser, including administrators, leading to session compromise and account takeover, via a payload stored in an email body that is persisted without sanitization and rendered unescaped with {!! $email->body !!} when the recipient opens the message.

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Advisories

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Fixes

Solution

Upgrade to version 5.4.4 or higher.


Workaround

No workaround given by the vendor.

History

Mon, 27 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Description Stored Cross-site Scripting (CWE-79) in the email module in Roskus Prospero Flow CRM before 5.4.4 allows a remote, authenticated low-privileged user to execute arbitrary JavaScript in another user's browser, including administrators, leading to session compromise and account takeover, via a payload stored in an email body that is persisted without sanitization and rendered unescaped with {!! $email->body !!} when the recipient opens the message.
Title Stored XSS in Prospero Flow CRM email body allows administrator account takeover
First Time appeared Roskus
Roskus prospero Flow Crm
Weaknesses CWE-79
CPEs cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
Vendors & Products Roskus
Roskus prospero Flow Crm
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:L/SA:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Secur0

Published:

Updated: 2026-07-27T18:31:10.854Z

Reserved: 2026-07-03T11:24:39.242Z

Link: CVE-2026-59239

cve-icon Vulnrichment

Updated: 2026-07-27T18:31:07.269Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-28T02:30:04Z

Weaknesses