CVE-2025-6313: Sales And Inventory System SQLi Flaw

CVE-2025-6313 Overview

CVE-2025-6313 is a SQL injection vulnerability in Campcodes Sales and Inventory System 1.0. The flaw resides in the /pages/cat_add.php script, where the Category parameter is passed to a database query without proper sanitization. Remote attackers can manipulate this argument to inject arbitrary SQL statements against the backend database. The exploit details have been publicly disclosed, increasing the risk of opportunistic attacks against exposed deployments. The vulnerability is tracked under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command) and CWE-74 (Improper Neutralization of Special Elements in Output).

Critical Impact
Unauthenticated remote attackers can manipulate the Category parameter in /pages/cat_add.php to execute arbitrary SQL queries, exposing or modifying inventory and sales data.

Affected Products

Campcodes Sales and Inventory System 1.0
Affected component: /pages/cat_add.php
Vulnerable parameter: Category

Discovery Timeline

2025-06-20 - CVE-2025-6313 published to NVD
2026-04-29 - Last updated in NVD database

Technical Details for CVE-2025-6313

Vulnerability Analysis

The vulnerability is a classic SQL injection in the category management endpoint of the Campcodes Sales and Inventory System. The application accepts user-supplied input via the Category parameter sent to /pages/cat_add.php and concatenates it into a SQL statement. No prepared statements, parameterized queries, or input validation prevent SQL metacharacters from altering the query structure.

Attackers can issue HTTP requests over the network without authentication or user interaction. Successful exploitation allows reading, modifying, or deleting database records, including product catalogs, inventory counts, and potentially user credentials stored in the same database. Depending on the database engine and privileges, attackers may escalate to file read or write primitives.

Root Cause

The root cause is improper neutralization of input incorporated into a SQL query. The Category argument is interpolated into a query string instead of being bound as a parameter. This design flaw matches CWE-89 and is amplified by the absence of allow-list validation or output encoding on the affected handler.

Attack Vector

The attack vector is network-based and requires no privileges or user interaction. An attacker sends a crafted HTTP request to /pages/cat_add.php with a malicious payload in the Category parameter. Typical payloads use boolean-based, union-based, or time-based blind SQL injection techniques to extract data or bypass application logic. Public disclosure of the issue is documented in the GitHub CVE Issue Discussion and VulDB entry #313313.

Detection Methods for CVE-2025-6313

Indicators of Compromise

HTTP POST or GET requests to /pages/cat_add.php containing SQL keywords such as UNION, SELECT, SLEEP, OR 1=1, or comment sequences (--, #) in the Category parameter.
Unusual database errors or query latency spikes correlated with requests to the cat_add.php endpoint.
New or modified rows in the categories table that do not match expected administrator activity.

Detection Strategies

Inspect web server access logs for anomalous Category parameter values and encode-bypass patterns (URL-encoded quotes, double encoding, hex-encoded payloads).
Deploy web application firewall (WAF) signatures that match SQL injection patterns targeting the cat_add.php path.
Correlate application logs with database query logs to identify malformed or unauthorized queries originating from the inventory application.

Monitoring Recommendations

Alert on bursts of 4xx and 5xx responses from /pages/cat_add.php, which often accompany injection probing.
Monitor outbound database traffic for unexpected data volumes that may indicate exfiltration via UNION-based injection.
Track authentication events against the database account used by the application for unusual command patterns.

How to Mitigate CVE-2025-6313

Immediate Actions Required

Restrict network exposure of the Campcodes Sales and Inventory System to trusted networks or behind a VPN until a vendor patch is available.
Place a WAF in front of the application with SQL injection rules tuned for the Category parameter.
Audit the application database for unauthorized modifications, new administrative accounts, or unexpected category records.

Patch Information

No vendor advisory or fixed version is listed in the NVD reference set at the time of publication. Administrators should monitor the CampCodes website for updated releases addressing CVE-2025-6313. Until an official patch is released, apply the workarounds below.

Workarounds

Modify /pages/cat_add.php to use parameterized queries (e.g., PDO prepared statements with bound parameters) instead of string concatenation.
Enforce server-side allow-list validation on the Category parameter, restricting input to expected character classes and lengths.
Apply least-privilege principles to the database account used by the application, removing rights to drop tables, read system schemas, or write files.
Disable verbose database error messages in production to limit information available to attackers performing error-based injection.

bash

# Configuration example: minimal WAF rule pattern to flag injection attempts against the vulnerable endpoint
# (adapt syntax to your WAF; this is illustrative only)
SecRule REQUEST_URI "@contains /pages/cat_add.php" \
  "chain,deny,status:403,id:1006313,msg:'Possible SQLi targeting CVE-2025-6313'"
SecRule ARGS:Category "@rx (?i)(union(\s|/\*.*\*/)+select|sleep\s*\(|or\s+1=1|--|;)"