How severe is CVE-2026-30520?

CVE-2026-30520 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-30520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30520?

CVE-2026-30520 affects Oretnom23 Loan Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-30520 have an EU (EUVD) identifier?

Yes. CVE-2026-30520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17581.

When was CVE-2026-30520 published?

CVE-2026-30520 was published on 2026-03-31 and last updated on 2026-06-17.

CVE-2026-30520

CVE-2026-30520 is a medium-severity vulnerability in Oretnom23 Loan Management System with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17581
Weakness: CWE-89
Affected product: Oretnom23 Loan Management System
Published: 2026-03-31
Last modified: 2026-06-17

Description

A Blind SQL Injection vulnerability exists in SourceCodester Loan Management System v1.0. The vulnerability is located in the ajax.php file (specifically the save_loan action). The application fails to properly sanitize user input supplied to the "borrower_id" parameter in a POST request, allowing an authenticated attacker to inject malicious SQL commands.

Frequently asked questions

What is CVE-2026-30520?: A Blind SQL Injection vulnerability exists in SourceCodester Loan Management System v1.0. The vulnerability is located in the ajax.php file (specifically the save_loan action). The application fails to properly sanitize user input supplied to the "borrower_id" parameter in a POST request, allowing an authenticated attacker to inject malicious SQL commands.
How severe is CVE-2026-30520?: CVE-2026-30520 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-30520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30520?: CVE-2026-30520 affects Oretnom23 Loan Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-30520 have an EU (EUVD) identifier?: Yes. CVE-2026-30520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17581.
When was CVE-2026-30520 published?: CVE-2026-30520 was published on 2026-03-31 and last updated on 2026-06-17.

References

https://github.com/meifukun/Web-Security-PoCs/blob/main/Loan-Management-System/SQLi-SaveLoan-borrowerId.md

Affected products (1)

cpe:2.3:a:oretnom23:loan_management_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Oretnom23 Loan Management System

CVE-2026-30523 — Medium (CVSS 6.5): A Business Logic vulnerability exists in SourceCodester Loan Management System v1.0 due to the lack of proper input…
CVE-2026-30522 — Medium (CVSS 6.5): A Business Logic vulnerability exists in SourceCodester Loan Management System v1.0 due to improper server-side…
CVE-2026-30521 — Medium (CVSS 6.5): A Business Logic vulnerability exists in SourceCodester Loan Management System v1.0 due to improper server-side…
CVE-2026-3702 — Medium (CVSS 4.3): A vulnerability was detected in SourceCodester Loan Management System 1.0. Affected by this issue is some unknown…

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