HOMEVULNERABILITIESCVE-2026-30520
MEDIUM

CVE-2026-30520

CWE-89Published: March 31, 2026· Updated: Apr 6, 2026

5.4
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:9.0th

Official 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.

NVD Source

Technical Analysis

CVE-2026-30520 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected Vendors & Products

oretnom231 product
loan management system
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

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

All References (1)

→
https://github.com/meifukun/Web-Security-PoCs/blob/main/Loan-Management-System/SQLi-SaveLoan-borrowerId.mdExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2026-30520
CVSS Score5.4 / 10
SeverityMEDIUM
WeaknessCWE-89
CISA KEVNo
EPSS (30d)0.03%
Affected1 vendor
PublishedMar 31, 2026

Related CVEs (CWE-89)

CVE-2026-8054
KEV10.0
CVE-2026-3325
10.0
CVE-2026-42287
10.0
CVE-2026-40906
9.9
CVE-2026-50747
9.9
CVE-2026-54310
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-30520 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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