CVE-2025-6878: Best Salon Management System SQLi Flaw

CVE-2025-6878 Overview

CVE-2025-6878 is a SQL injection vulnerability in SourceCodester Best Salon Management System 1.0. The flaw resides in the /panel/search-appointment.php script, where the searchdata parameter is passed to a database query without proper sanitization. Remote attackers with low privileges can manipulate the parameter to inject arbitrary SQL statements. The exploit details have been publicly disclosed, increasing the risk of opportunistic abuse against exposed installations. The vulnerability is classified under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component).

Critical Impact
Authenticated remote attackers can execute arbitrary SQL queries against the application database, leading to disclosure or modification of appointment, customer, and credential data.

Affected Products

Mayurik Best Salon Management System 1.0
Component: /panel/search-appointment.php
Vulnerable parameter: searchdata

Discovery Timeline

2025-06-30 - CVE-2025-6878 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-6878

Vulnerability Analysis

The vulnerability exists in the appointment search functionality of Best Salon Management System 1.0. The search-appointment.php script accepts user-supplied input through the searchdata parameter and concatenates that input into a SQL query without parameterization or input validation. An authenticated attacker submitting a crafted request can break out of the intended query context and append arbitrary SQL clauses.

The attack requires no user interaction and can be triggered remotely over the network. According to the public VulDB entry (#314350), the exploitation technique has been disclosed, lowering the barrier for attackers. The EPSS score of 0.358% reflects current exploitation likelihood, though public disclosure typically increases observed activity over time.

Root Cause

The root cause is improper neutralization of special elements in a database query. The searchdata parameter is incorporated directly into a SQL statement string. The application does not use prepared statements, parameterized queries, or input escaping routines. This is a classic instance of [CWE-74] manifesting as SQL injection.

Attack Vector

An attacker authenticated to the panel sends an HTTP request to /panel/search-appointment.php with a malicious payload in the searchdata field. The payload terminates the original query and appends a UNION SELECT, time-based blind, or error-based clause. The attacker can then extract data from any table accessible to the database user, including credentials and customer records. Stored or referenced credentials may enable further lateral access.

For public technical details, see the GitHub SQL Injection Overview and the VulDB entry #314350.

Detection Methods for CVE-2025-6878

Indicators of Compromise

HTTP POST or GET requests to /panel/search-appointment.php containing SQL metacharacters such as ', --, UNION, SLEEP(, or INFORMATION_SCHEMA in the searchdata parameter.
Database error responses returned in HTTP replies originating from the search endpoint.
Unexpected SELECT statements against INFORMATION_SCHEMA or system tables in MySQL query logs.
Anomalous response time spikes on the appointment search page consistent with time-based blind injection.

Detection Strategies

Inspect web server access logs for requests to /panel/search-appointment.php with encoded SQL operators in the query string or POST body.
Enable MySQL general query logging temporarily to identify malformed or attacker-influenced statements referencing appointment tables.
Deploy a web application firewall (WAF) signature targeting SQL injection patterns on the searchdata parameter.

Monitoring Recommendations

Forward web server and database logs to a centralized SIEM and alert on SQL injection signatures targeting the affected endpoint.
Monitor authenticated panel sessions for high-volume search activity from a single account, which may indicate automated extraction.
Track outbound database connections and unusual data egress from the database host.

How to Mitigate CVE-2025-6878

Immediate Actions Required

Restrict network access to the /panel/ administrative interface using IP allowlists or VPN gating until a fix is applied.
Rotate all credentials stored within the application database, including administrative accounts and any reused customer passwords.
Deploy a WAF rule blocking SQL metacharacters submitted to the searchdata parameter on /panel/search-appointment.php.
Review database logs for prior exploitation indicators dating back to the disclosure date.

Patch Information

As of the last NVD update on 2026-06-17, no vendor patch has been published for Best Salon Management System 1.0. Organizations should monitor the SourceCodester project page for updates and consider replacing the application if the vendor does not respond.

Workarounds

Modify /panel/search-appointment.php to use parameterized queries via PHP PDO or mysqli_prepare() instead of string concatenation.
Apply server-side input validation that restricts searchdata to expected character classes such as alphanumerics and spaces.
Run the database account used by the application with the minimum privileges required, removing access to unrelated schemas and system tables.
Disable the appointment search feature if it is not operationally required.

bash

# Example ModSecurity rule to block SQL metacharacters on the vulnerable endpoint
SecRule REQUEST_URI "@beginsWith /panel/search-appointment.php" \
  "phase:2,chain,deny,status:403,id:1006878,msg:'CVE-2025-6878 SQLi attempt'"
  SecRule ARGS:searchdata "@rx (?i)(union(\s|/\*.*\*/)+select|sleep\s*\(|information_schema|--|';)" \
    "t:none,t:urlDecodeUni"