Ultimate POS 4.4 contains a persistent cross-site scripting vulnerability in the product name parameter that allows remote attackers to inject malicious scripts. Attackers can exploit the vulnerability through product add or edit functions to execute arbitrary JavaScript and potentially hijack user sessions.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00014.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
thewebfosters Unknown unaffected
Version Status Constraints
4.4 affected —

No data.

No data.

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Vendors Products
Thewebfosters Subscribe
Ultimate Pos Subscribe

Project Subscriptions

Vendors Products
Thewebfosters Subscribe
Ultimate Pos Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://ultimatefosters.com/docs/ultimatepos/ cve-icon cve-icon
https://www.vulncheck.com/advisories/ultimate-pos-persistent-cross-site-scripting-via-product-name cve-icon cve-icon
https://www.vulnerability-lab.com/get_content.php?id=2296 cve-icon cve-icon
History

Tue, 03 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Thewebfosters
Thewebfosters ultimate Pos
Vendors & Products Thewebfosters
Thewebfosters ultimate Pos

Mon, 02 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 01 Feb 2026 12:30:00 +0000

Type Values Removed Values Added
Description Ultimate POS 4.4 contains a persistent cross-site scripting vulnerability in the product name parameter that allows remote attackers to inject malicious scripts. Attackers can exploit the vulnerability through product add or edit functions to execute arbitrary JavaScript and potentially hijack user sessions.
Title Ultimate POS 4.4 Persistent Cross-Site Scripting via Product Name
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-02T20:04:13.087Z

Reserved: 2026-01-18T12:35:05.177Z

Link: CVE-2021-47908

cve-icon Vulnrichment

Updated: 2026-02-02T20:04:09.549Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-01T13:15:54.727

Modified: 2026-02-03T16:44:36.630

Link: CVE-2021-47908

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-02T09:26:22Z

Weaknesses