InvoiceNinja - Stored XSS via Invoice/Quote Terms Field
Priority MEDIUM 40CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00353 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| invoiceninja | invoiceninja | 5.0.0 | — | No fix listed | CNA |
- invoiceninja Vendorinvoiceninja Affected 5.0.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-71233
- 2026-10-03 Alias added: GHSA-84j5-x242-f7h8
References
More invoiceninja vulnerabilities
- TI-2026-23400 Invoice Ninja v5.12.46 and v5.12.48 is vulnerable to Server-Side Request Forgery (SSRF) in CheckDatabaseRequest.php. CVSS 3.1HIGH 7.7
- TI-2026-26121 Invoice Ninja has Stored XSS via Markdown HTML Injection in Product Notes CVSS 3.1MEDIUM 5.4
- TI-2026-26010 Invoice Ninja Denylist Bypass may Lead to Stored XSS via Invoice Line Items CVSS 3.1MEDIUM 5.4
- TI-2026-57726 invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery CVSS 4.0MEDIUM 5.3
- TI-2026-57725 invoiceninja Invoice Ninja Vendor Portal Profile Update profile authorization CVSS 4.0MEDIUM 5.3
- TI-2026-42060 Invoice Ninja 5.13.26 - Open Redirect in Client Portal Login via intended Parameter CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-71233 · CVE Program
- CVE-2026-71233 · NVD
- FIRST EPSS
- GHSA-84j5-x242-f7h8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences