High severity · published Aug 5, 2026
CVE-2026-71233
InvoiceNinja - Stored XSS via Invoice/Quote Terms Field
8.7
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
invoiceninja · invoiceninja
5.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71233
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71233
github.com
https://github.com/invoiceninja/invoiceninja
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