CVE-2026-70560
Ultimate POS Stored XSS via First Name Field in Leave Notifications
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 12, 2026
- Updated
- Oct 1, 2026
- Reserved
- Aug 4, 2026
Description
Ultimate POS (Stock Management & Point of Sale) contains a stored cross-site scripting vulnerability that allows low-privileged authenticated attackers to inject arbitrary HTML and script markup by setting a malicious payload in the user first-name field during account creation. Attackers with a low-privileged role such as Cashier can submit a leave request through the HRM/Leave module, causing the unsanitized first-name markup to execute in the browser session of any higher-privileged user who views the leave-application notification pane, enabling cross-user session compromise within the admin origin.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Ultimate POS (Stock Management & Point of Sale)Ultimate Fosters |
|
References
- Productproduct
- GitHub Public Disclosuretechnical-description
- https://www.vulncheck.com/advisories/ultimate-pos-stored-xss-via-first-name-field-in-leave-notificationsthird-party-advisory
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