CVE-2026-14791 in crater
Summary
by MITRE • 07/06/2026
A weakness has been identified in crater-invoice-inc crater up to 6.0.6. This affects the function getFormattedString of the file app/Http/Requests/InvoicesRequest.php of the component Invoice Note Handler. Executing a manipulation of the argument notes can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
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Analysis
by VulDB Data Team • 07/06/2026
This vulnerability resides within the crater-invoice-inc crater application version 6.0.6 and earlier, specifically targeting the Invoice Note Handler component. The weakness manifests in the getFormattedString function located within app/Http/Requests/InvoicesRequest.php file, representing a classic cross-site scripting vulnerability that allows malicious actors to inject harmful scripts into web applications. The flaw occurs when the application fails to properly sanitize or escape user input provided through the notes parameter, creating an opening for attackers to execute arbitrary JavaScript code in the context of other users' browsers.
The technical implementation of this vulnerability stems from inadequate input validation and output escaping mechanisms within the application's request handling process. When users submit invoice notes containing potentially malicious content, the getFormattedString function processes this data without sufficient sanitization measures, allowing script tags or other malicious payloads to persist in the application's output. This weakness directly maps to CWE-79, which defines Cross-Site Scripting as a vulnerability where untrusted data is embedded into web pages viewed by other users, and aligns with ATT&CK technique T1203 for exploiting web applications through input manipulation.
The remote exploitability of this vulnerability means that attackers can leverage it from outside the network perimeter without requiring physical access to the system. The public availability of exploitation tools significantly increases the risk profile, as demonstrated by the fact that the project maintainers were informed through an issue report but have not yet responded with a patch or mitigation. This delay in remediation creates a window of opportunity for malicious actors to target organizations using this software, potentially compromising user sessions, stealing sensitive data, or redirecting users to malicious sites.
The operational impact extends beyond simple script execution, as successful exploitation could enable attackers to perform actions on behalf of authenticated users, access confidential invoice information, modify business data, or establish persistent backdoors within the application environment. Organizations relying on this software for financial operations face significant risks including financial fraud, data breaches, and potential regulatory compliance violations. The vulnerability's classification as a remote code execution risk through web-based attacks places it in a high-risk category according to industry standards.
Mitigation strategies should include immediate implementation of input sanitization measures within the getFormattedString function, proper HTML escaping of all user-generated content before rendering, and consideration of Content Security Policy headers to limit script execution. Organizations should also implement rate limiting and monitoring for unusual request patterns that might indicate exploitation attempts. The project maintainers must urgently address this issue through a security patch, while users should implement temporary workarounds such as disabling the affected functionality or implementing web application firewalls to protect against known attack vectors. This vulnerability exemplifies the critical importance of secure coding practices and timely response to security advisories in maintaining application integrity and user data protection standards.