# CVE-2025-66440: An issue was discovered in Frappe ERPNext through 15.89.0. Function get_outstanding_reference_documents() at…

Source: https://junglewise.ai/threats/cve-2025-66440-an-issue-was-discovered-in-frappe-erpnext-through-15-89-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-15  
License: CC BY 4.0 with a link back

CVE-2025-66440 · Severity: high · CVSS 8.8 · Published 2025-12-15

An issue was discovered in Frappe ERPNext through 15.89.0. Function get_outstanding_reference_documents() at erpnext/accounts/doctype/payment_entry/payment_entry.py is vulnerable to SQL Injection. It allows an attacker to extract arbitrary data from the database by injecting SQL payloads via the to_posting_date parameter, which is directly interpolated into the query without proper sanitization or parameter binding.

Technologies: [Frappe ERPNext](https://junglewise.ai/threats/technologies/erpnext). Vendors: [Frappe](https://junglewise.ai/threats/vendors/frappe).

## Quick answers

**Is CVE-2025-66440 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-66440 being exploited in the wild.

**How severe is CVE-2025-66440?** High severity, with a CVSS score of 8.8, published 15 December 2025.

**Which products and versions are affected?** Frappe ERPNext. The advisory does not name versions.

**Is there a fix for CVE-2025-66440?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-66440?** Check whether you run Frappe ERPNext. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Frappe ERPNext

## Related threats

- [Frappe ERPNext missing authorization in buying utilities](https://junglewise.ai/threats/cve-2026-124316-frappe-erpnext-before-15-121-4-and-16-x-before-16-36-0-contains)
- [Frappe ERPNext missing authorization in BOM methods](https://junglewise.ai/threats/cve-2026-124315-frappe-erpnext-before-15-121-4-and-16-x-before-16-36-0-contains)
- [Frappe ERPNext missing authorization in CRM activities](https://junglewise.ai/threats/cve-2026-124314-frappe-erpnext-before-15-121-4-and-16-x-before-16-36-0-contains)
- [Frappe ERPNext missing authorization in get_linked_payments](https://junglewise.ai/threats/cve-2026-124313-frappe-erpnext-before-15-121-4-and-16-x-before-16-36-0-contains)
- [ERPNext authorization bypass in status modification endpoints](https://junglewise.ai/threats/cve-2026-108374-erpnext-is-a-free-and-open-source-enterprise-resource-planning)