CVE-2025-6880: Best Salon Management System SQLi Flaw

CVE-2025-6880 Overview

CVE-2025-6880 is a SQL injection vulnerability in SourceCodester Best Salon Management System version 1.0. The flaw resides in the /panel/edit-tax.php script, where the editid parameter is passed directly into a SQL query without sanitization. An authenticated remote attacker can manipulate this parameter to inject arbitrary SQL syntax. The exploit details have been publicly disclosed, increasing the likelihood of opportunistic abuse against exposed installations.

Critical Impact
Successful exploitation allows authenticated remote attackers to read, modify, or delete database records by injecting arbitrary SQL through the editid parameter in /panel/edit-tax.php.

Affected Products

Mayurik (SourceCodester) Best Salon Management System 1.0
Component: /panel/edit-tax.php
Vulnerable parameter: editid

Discovery Timeline

2025-06-30 - CVE-2025-6880 published to NVD
2026-04-29 - Last updated in NVD database

Technical Details for CVE-2025-6880

Vulnerability Analysis

The vulnerability is classified under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component). The edit-tax.php script in the administrative panel accepts the editid HTTP request parameter and concatenates the value into a SQL statement used to retrieve or update tax records. Because the application does not sanitize or parameterize the input, attacker-supplied SQL syntax executes within the database context. The attack requires network access and low-level authenticated privileges within the application panel. No user interaction is needed beyond submitting the crafted request.

Root Cause

The root cause is the direct interpolation of untrusted request input into a SQL query string. The editid parameter is consumed by the database driver without prepared statements or input validation. This pattern enables classic in-band SQL injection, including UNION-based extraction and boolean or time-based blind techniques against the underlying MySQL or MariaDB backend.

Attack Vector

An attacker authenticated to the salon management panel issues an HTTP request to /panel/edit-tax.php with a manipulated editid value containing SQL metacharacters. The injected payload alters the original query logic, allowing the attacker to enumerate tables, exfiltrate stored credentials, modify tax records, or escalate access if administrative tables are reachable. Because exploitation occurs over the network and exploit details are public, automated scanners can locate and abuse vulnerable instances.

No verified proof-of-concept code is referenced from the official advisory. See the GitHub SQL Injection Guide and VulDB #314352 for technical details.

Detection Methods for CVE-2025-6880

Indicators of Compromise

HTTP requests to /panel/edit-tax.php containing SQL metacharacters such as ', ", UNION, SELECT, SLEEP(, or -- in the editid parameter.
Web server access logs showing unusually long editid values or repeated requests with incrementing payloads consistent with blind SQL injection.
Unexpected modifications to the tax table or related administrative records in the application database.
Database error messages referencing MySQL or MariaDB syntax leaking into HTTP responses.

Detection Strategies

Deploy web application firewall rules that inspect query and POST parameters submitted to /panel/edit-tax.php for SQL injection signatures.
Enable database query logging and alert on queries against the tax table that contain stacked statements or comment sequences.
Correlate authentication events with subsequent administrative panel requests to identify abused credentials.

Monitoring Recommendations

Monitor outbound connections from the web server that hosts the application for unexpected data transfers indicating exfiltration.
Track failed and successful logins to the admin panel and flag accounts that immediately access edit-tax.php after authentication.
Forward web server, application, and database logs to a centralized analytics platform for retention and correlation.

How to Mitigate CVE-2025-6880

Immediate Actions Required

Restrict network access to the salon management panel using IP allowlists or a VPN until a patched build is available.
Rotate all administrative and database credentials used by the application and audit the tax and user tables for tampering.
Apply WAF virtual patching that blocks SQL metacharacters in the editid parameter on /panel/edit-tax.php.

Patch Information

No official vendor patch is referenced in the advisory at the time of NVD publication. Operators should monitor SourceCodester for an updated release. In the interim, modify the application source so that edit-tax.php casts editid to an integer and uses prepared statements with bound parameters before executing the SQL query.

Workarounds

Refactor edit-tax.php to use parameterized queries through PDO or mysqli prepared statements rather than string concatenation.
Validate that editid is a positive integer using intval() or filter_var($_REQUEST['editid'], FILTER_VALIDATE_INT) before any database access.
Restrict the database account used by the application to least privilege, removing DROP, ALTER, and FILE permissions.
Disable verbose database error messages in the production configuration to limit information leakage.

bash

# Example hardening: validate editid as integer in PHP before query execution
# $editid = filter_input(INPUT_GET, 'editid', FILTER_VALIDATE_INT);
# if ($editid === false || $editid === null) { http_response_code(400); exit; }
# $stmt = $conn->prepare('SELECT * FROM tax WHERE id = ?');
# $stmt->bind_param('i', $editid);
# $stmt->execute();