Vulnerability · Published Feb 18, 2026 · Assigned by GitHub_M
CVE-2026-26281InvoicePlane has Stored Cross-Site Scripting (XSS) Issue in Sumex Invoice View
Medium 4.4
In plain English
A medium-severity cross-site scripting in InvoicePlane from InvoicePlane. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Official description
InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A stored cross-site scripting (XSS) vulnerability in the Sumex invoice view allows an authenticated user with client and invoice management privileges to execute arbitrary JavaScript in the browser of any user viewing the invoice. This can lead to session hijacking, data theft, or other malicious actions on behalf of the victim user. Version 1.7.1 patches the issue.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| InvoicePlane | InvoicePlane | = 1.7.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N