Browser script execution via unencoded item names
Published Feb 12, 2026 · Updated Feb 12, 2026
Stored cross-site scripting in OpenSourcePOS 3.4.1 allows remote authenticated users to run scripts through a crafted Item Name. The Items module stores the name without adequate validation, and the Item Kits interface renders it without output encoding when another user selects the item. Item-management permission is required to plant the payload, and victim interaction executes it in that user's browser context.
Summary
What happened
Stored cross-site scripting in OpenSourcePOS 3.4.1 allows remote authenticated users to run scripts through a crafted Item Name. The Items module stores the name without adequate validation, and the Item Kits interface renders it without output encoding when another user selects the item. Item-management permission is required to plant the payload, and victim interaction executes it in that user's browser context.
The record
- CVE
- CVE-2025-70092
- Published
- Feb 12, 2026
- Updated
- Feb 12, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-79, T1203
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 12, 2026CVE publishedPublication date reported by the CVE source.
- Feb 12, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
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.
Weakness, pattern, technique
Public exploit references
- Item Name stored-XSS proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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