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VulnerabilityPublished

CVE-2026-71233: InvoiceNinja v5-stable renders an invoice or quote's "terms" field in the client portal using Laravel Blade's raw output directive {!!

Source GCVE Database

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Mentioned vulnerabilities

Not known to be exploited · CVSS 8.7 High.

Data as of 3 Nov 2026, 22:58 UTC

CVSS 3.1 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

AI-suggested

Until an official fix is available, restrict invoice creation permissions to trusted users only and avoid entering untrusted content into the "terms" field. Monitor vendor communications for updates regarding patches or official mitigations.

Description

InvoiceNinja v5-stable contains a cross-site scripting (XSS) vulnerability in the client portal where the "terms" field of an invoice or quote is rendered using Laravel Blade's raw output directive without HTML sanitization. An authenticated user with invoice creation permissions can inject malicious HTML or JavaScript via the REST API, which executes in the client's browser when viewing the invoice. This vulnerability enables session cookie theft and potential client account takeover. It is distinct from a previously reported XSS vulnerability in the invoice line-item description field.

References

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