CVE-2025-60503Public exploitNetwork attack vector

Administrator-session compromise via unescaped purchase reference

Published Nov 3, 2025 · Updated Nov 3, 2025

Stored cross-site scripting in UltimateFosters UltimatePOS 4.8 allows remote authenticated users to run JavaScript in an administrator's browser. The purchase Reference No. value is stored without sanitization and rendered unescaped in Reports Activity Log, causing embedded script to execute when viewed. Administrator access is required to submit the payload, and another administrator must view the activity log before browser-session data or actions are exposed.

CVSS severity8.7
High
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in UltimateFosters UltimatePOS 4.8 allows remote authenticated users to run JavaScript in an administrator's browser. The purchase Reference No. value is stored without sanitization and rendered unescaped in Reports Activity Log, causing embedded script to execute when viewed. Administrator access is required to submit the payload, and another administrator must view the activity log before browser-session data or actions are exposed.

The record

CVE
CVE-2025-60503
Published
Nov 3, 2025
Updated
Nov 3, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 3, 2025Record 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 privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.7CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

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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