CVE-2026-71233: InvoiceNinja - Stored XSS via Invoice/Quote Terms Field

Severity: high (CVSS 8.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-05 · updated 2026-08-26
Weakness: CWE-79

Description

InvoiceNinja v5-stable renders an invoice or quote's "terms" field in the client portal using Laravel Blade's raw output directive {!! ->terms !!} (resources/views/portal/ninja2020/invoices/includes/terms.blade.php) with no HTML sanitization.

Affected products

invoiceninja: 5.0.0

References

https://github.com/invoiceninja/invoiceninja

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