CVE-2023-31298Network attack vector

Stored script execution via unsanitized User ID

Published Dec 29, 2023 · Updated Sep 3, 2024

Stored XSS in Sesami Cash Point & Transport Optimizer 6.3.8.6 allows remote authenticated users to execute script in another user's browser. The new-system-user workflow stores an unsanitized JavaScript payload from the User ID field and renders it during first-login password change, later logins, and application-log viewing. Administrator access is required to create the crafted user; execution occurs in the new user's or another administrator's session and can expose information accessible there.

CVSS severity4.8
Medium
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Sesami Cash Point & Transport Optimizer 6.3.8.6 allows remote authenticated users to execute script in another user's browser. The new-system-user workflow stores an unsanitized JavaScript payload from the User ID field and renders it during first-login password change, later logins, and application-log viewing. Administrator access is required to create the crafted user; execution occurs in the new user's or another administrator's session and can expose information accessible there.

The record

CVE
CVE-2023-31298
Published
Dec 29, 2023
Updated
Sep 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Dec 29, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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