CVE-2026-8131: SourceCodester SUP Online Shopping SQL Injection
The National Vulnerability Database has disclosed CVE-2026-8131, a high-severity SQL injection vulnerability in SourceCodester SUP Online Shopping 1.0. This flaw, rated 7.3 CVSSv3.1, allows remote attackers to execute SQL injection attacks without authentication by manipulating the msgid argument within the /admin/replymsg.php file.
This is a critical vulnerability for any organization running this specific e-commerce platform. The public availability of an exploit significantly increases the risk, as it lowers the barrier for entry for threat actors. Attackers can leverage this to exfiltrate sensitive data, manipulate database content, or potentially gain further access to the underlying system.
SQL injection remains a primary vector for data breaches. Defenders must prioritize patching or isolating any instances of SourceCodester SUP Online Shopping 1.0 immediately. The ease of exploitation and the potential for full data compromise make this a prime target for opportunistic attackers.
What This Means For You
- If your organization uses SourceCodester SUP Online Shopping 1.0, you are directly exposed to CVE-2026-8131. Immediately identify and patch all instances, or take them offline. Audit your systems for any signs of compromise if patching isn't instantaneous, as public exploits mean active targeting is highly probable.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-8131: SourceCodester SUP Online Shopping SQL Injection via replymsg.php
title: CVE-2026-8131: SourceCodester SUP Online Shopping SQL Injection via replymsg.php
id: scw-2026-05-08-ai-1
status: experimental
level: critical
description: |
Detects SQL injection attempts targeting the SourceCodester SUP Online Shopping 1.0 application via the /admin/replymsg.php file. The attack manipulates the 'msgid' parameter, often including keywords like 'UNION', 'SELECT', and 'FROM' to extract data. This is the primary indicator for the CVE-2026-8131 vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-08
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-8131/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/admin/replymsg.php'
cs-uri-query|contains:
- 'msgid='
cs-uri-query|contains:
- 'UNION'
cs-uri-query|contains:
- 'SELECT'
cs-uri-query|contains:
- 'FROM'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-8131 | SQLi | SourceCodester SUP Online Shopping 1.0 |
| CVE-2026-8131 | SQLi | Vulnerable file: /admin/replymsg.php |
| CVE-2026-8131 | SQLi | Vulnerable parameter: msgid |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 08, 2026 at 07:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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