Roskus Prospero Flow up to 5.4.3 Email email cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k2.05-

Summaryinfo

A vulnerability was found in Roskus Prospero Flow up to 5.4.3 and classified as problematic. This affects an unknown function of the component Email Module. Such manipulation of the argument email leads to cross site scripting. This vulnerability is traded as CVE-2026-59239. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Roskus Prospero Flow up to 5.4.3. It has been rated as problematic. Affected by this issue is an unknown code of the component Email Module. The manipulation of the argument email with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-59239 since 07/03/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 5.4.4 eliminates this vulnerability. Applying the patch 32efcd5c395ee55119fb9aea502a9d06e4c5adb8 is able to eliminate this problem.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Prospero Flow 5.4.4
Patch: 32efcd5c395ee55119fb9aea502a9d06e4c5adb8

Timelineinfo

07/03/2026 CVE reserved
07/27/2026 +24 days Advisory disclosed
07/27/2026 +0 days VulDB entry created
07/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-59239 (🔒)
GCVE (CVE): GCVE-0-2026-59239
GCVE (VulDB): GCVE-100-383534

Entryinfo

Created: 07/27/2026 20:43
Changes: 07/27/2026 20:43 (57)
Complete: 🔍
Cache ID: 216::103

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