CVE-2025-66440: erpnext SQL Injection — Exploit

Description

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-89 SQL Injection

Affected Products

Vendor	Product	Versions
frappe	erpnext	< 15.89.0

References

Exploits

https://iamanc.github.io/post/erpnext-sqli

Other References

https://github.com/frappe/frappe/security

Frequently Asked Questions

What is CVE-2025-66440? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-66440? +

CVE-2025-66440 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-66440? +

CVE-2025-66440 affects products from frappe, specifically: erpnext. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66440? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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