CVE-2025-6859 Overview
CVE-2025-6859 is a SQL injection vulnerability in SourceCodester Best Salon Management System 1.0. The flaw resides in the /panel/pro_sale.php script, where the fromdate and todate request parameters are concatenated into a database query without proper sanitization. An authenticated remote attacker can manipulate these parameters to inject arbitrary SQL statements. The vulnerability is classified under [CWE-74] (Improper Neutralization of Special Elements in Output) and the proof-of-concept has been publicly disclosed. While the CVSS 4.0 base score reflects limited confidentiality, integrity, and availability impact, exploitation can still expose customer records and transaction data stored by the salon management application.
Critical Impact
A remote, low-privileged attacker can inject SQL through the fromdate or todate parameters of /panel/pro_sale.php, potentially exposing or modifying salon database records.
Affected Products
- Mayurik Best Salon Management System 1.0
- SourceCodester distributions packaging Best Salon Management System 1.0
- Deployments using the vulnerable /panel/pro_sale.php endpoint
Discovery Timeline
- 2025-06-29 - CVE-2025-6859 published to NVD
- 2026-04-29 - Last updated in NVD database
Technical Details for CVE-2025-6859
Vulnerability Analysis
The vulnerability stems from unsafe handling of user-supplied date parameters in the sales reporting panel. The pro_sale.php script accepts fromdate and todate values from the HTTP request and inserts them directly into a SQL query that filters sales records by date range. Because the application does not use prepared statements or parameterized queries, an attacker can break out of the intended SQL context.
Exploitation requires only network access and a low-privileged authenticated session in the panel. The attack does not require user interaction. According to the EPSS dataset, exploitation in the wild remains low probability, but the public proof-of-concept lowers the barrier for opportunistic attackers targeting unpatched deployments.
Root Cause
The root cause is improper neutralization of special elements used in the SQL query [CWE-74]. The fromdate and todate parameters are interpolated into the query string without input validation, type enforcement, or escape handling. PHP scripts in legacy SourceCodester projects frequently rely on direct string concatenation with mysqli_query(), which is the pattern present here.
Attack Vector
The attack is delivered over the network against the /panel/pro_sale.php endpoint. An authenticated user submits a crafted value in the fromdate or todate parameter containing SQL meta-characters. The injected payload executes within the database context used by the application, enabling data extraction through UNION-based or boolean-based blind injection techniques. See the GitHub SQL Injection Guide and the VulDB entry #314331 for the disclosed proof-of-concept details.
Detection Methods for CVE-2025-6859
Indicators of Compromise
- HTTP requests to /panel/pro_sale.php containing SQL meta-characters such as ', --, UNION, SELECT, or SLEEP( within the fromdate or todate parameters.
- Unexpected database errors or anomalous response times originating from the salon application's MySQL backend.
- Authenticated panel sessions issuing repeated date-range queries with non-date values.
Detection Strategies
- Inspect web server access logs for non-ISO-formatted values in the fromdate and todate query string or POST parameters.
- Deploy a web application firewall ruleset that flags SQL injection signatures targeting the /panel/ directory.
- Correlate authentication logs with subsequent abnormal queries against the sales reporting endpoint to identify abuse of legitimate accounts.
Monitoring Recommendations
- Enable MySQL general or audit logging on the database serving the salon application and alert on queries containing concatenated user input patterns.
- Monitor outbound data volume from the application host to detect bulk extraction of database tables.
- Track failed login attempts to the salon panel, since attackers need a low-privileged account before triggering the SQL injection.
How to Mitigate CVE-2025-6859
Immediate Actions Required
- Restrict access to /panel/pro_sale.php to trusted internal networks or VPN users until a vendor patch is applied.
- Audit all panel user accounts and disable unused or default credentials that attackers could leverage to reach the authenticated endpoint.
- Review database logs for evidence of prior exploitation, focusing on queries referencing the pro_sale workflow.
Patch Information
No official vendor patch is referenced in the disclosure. Operators should monitor the SourceCodester project page and the VulDB record for fix availability. In the interim, replace the vulnerable query with a parameterized statement using mysqli_prepare() or PDO bound parameters, and enforce strict date validation on both client and server sides.
Workarounds
- Apply input validation to reject any fromdate or todate value that does not match a strict YYYY-MM-DD regular expression.
- Deploy a web application firewall rule that blocks SQL injection payloads on the /panel/ path.
- Run the application database account with least privilege, removing FILE, CREATE, and write permissions on tables not required by the reporting feature.
# Example WAF rule (ModSecurity) to block SQLi payloads in fromdate/todate
SecRule ARGS:fromdate|ARGS:todate "@rx (?i)(union|select|sleep\(|--|';|/\*)" \
"id:1006859,phase:2,deny,status:403,msg:'CVE-2025-6859 SQLi attempt blocked'"
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
