Cross-Site Scripting Vulnerability in Crater Invoice by Crater-Invoice-Inc
CVE-2026-14791

5.1MEDIUM

Key Information:

Vendor

Crater-invoice-inc

Status
Crater
Vendor
CVE Published:
6 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14791?

A security weakness has been discovered in the Crater Invoice application, specifically within the getFormattedString function of the InvoicesRequest.php file. This vulnerability allows an attacker to manipulate the argument used in the invoicing notes, potentially leading to cross-site scripting (XSS) attacks. The exploitation of this flaw can be conducted remotely. Despite early notifications about the issue through an issue report, the Crater team has yet to address the vulnerability. The exploit details have been made public, heightening security concerns for users of the application.

Affected Version(s)

crater 6.0.0

crater 6.0.1

crater 6.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-14791 - Proof of Concept

References

https://vuldb.com/vuln/376385
vdb-entrytechnical-description
https://vuldb.com/vuln/376385/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-14791
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

geochen (VulDB User)
VulDB CNA Team
.