CVE-2025-12261: Codeastro Gym Management System SQLI

CVE-2025-12261 Overview

CVE-2025-12261 is a SQL injection vulnerability in CodeAstro Gym Management System 1.0. The flaw exists in /admin/actions/remove-announcement.php, where the ID argument is passed to a database query without proper sanitization. Authenticated attackers can manipulate this parameter remotely to inject arbitrary SQL statements. The vulnerability is classified under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component). Public disclosure of the exploit technique increases the risk of opportunistic attacks against exposed installations.

Critical Impact

Authenticated remote attackers can manipulate the ID parameter in remove-announcement.php to execute arbitrary SQL queries against the backend database, potentially exposing or altering announcement and administrative data.

Affected Products

• CodeAstro Gym Management System 1.0
• CPE: cpe:2.3:a:codeastro:gym_management_system:1.0:*:*:*:*:*:*:*
• Component: codeastro:gym_management_system

Discovery Timeline

• 2025-10-27 - CVE-2025-12261 published to NVD
• 2026-04-29 - Last updated in NVD database

Technical Details for CVE-2025-12261

Vulnerability Analysis

The vulnerability resides in the administrative announcement removal endpoint /admin/actions/remove-announcement.php. The script accepts an ID parameter from the HTTP request and incorporates it directly into a SQL DELETE or SELECT statement. Because the parameter lacks server-side validation and parameterized binding, an attacker can append SQL syntax to alter the query logic. Exploitation requires low-privilege authenticated access to the admin interface. The attack is initiated over the network and does not require user interaction. According to public reporting, the exploit technique has been disclosed, allowing low-skill attackers to weaponize the flaw.

Root Cause

The root cause is improper neutralization of user-supplied input before it reaches the SQL query construction layer. Developers concatenated the ID value into the query string instead of using prepared statements or parameterized queries. PHP's mysqli and PDO libraries both support binding, but neither appears to be used at this location.

Attack Vector

An authenticated attacker sends a crafted HTTP request to /admin/actions/remove-announcement.php containing a malicious ID value. By appending SQL operators such as UNION SELECT, boolean conditions, or stacked queries, the attacker can extract database contents or modify records. The endpoint requires administrative session context, which limits exploitation to users who already possess login credentials or who can obtain them through other means.

No verified proof-of-concept code is published in the referenced advisories. Technical details are available in the GitHub CVE Issue and VulDB #329932.

Detection Methods for CVE-2025-12261

Indicators of Compromise

• HTTP requests to /admin/actions/remove-announcement.php containing SQL metacharacters such as single quotes, UNION, SELECT, --, or ; in the ID parameter.
• Unexpected DELETE or SELECT statements in MySQL query logs originating from the gym management application user.
• Anomalous response sizes or HTTP 500 errors from the announcement removal endpoint.

Detection Strategies

• Deploy web application firewall rules that flag SQL injection patterns targeting the ID query parameter on administrative PHP endpoints.
• Enable MySQL general query logging and alert on queries referencing the announcements table outside normal administrative workflows.
• Correlate authenticated admin sessions with request patterns that include non-numeric values in numeric ID fields.

Monitoring Recommendations

• Monitor administrative authentication events for brute-force or credential-stuffing activity preceding endpoint access.
• Track outbound database connections and large result sets that may indicate data exfiltration through UNION-based extraction.
• Review web server access logs for repeated requests to /admin/actions/remove-announcement.php from a single source IP.

How to Mitigate CVE-2025-12261

Immediate Actions Required

• Restrict access to the /admin/ directory using IP allowlisting or VPN-only access until a vendor patch is available.
• Rotate administrative credentials and audit existing admin accounts for unauthorized additions.
• Deploy a web application firewall with SQL injection signatures applied to all administrative endpoints.

Patch Information

No vendor patch has been published in the referenced advisories at the time of writing. Monitor the CodeAstro Security Resource and the GitHub CVE Issue for updates. Until an official fix is released, administrators should apply input validation and consider taking affected instances offline if exposed to untrusted networks.

Workarounds

• Modify remove-announcement.php to cast the ID parameter to an integer using intval($_REQUEST['ID']) before query construction.
• Replace inline SQL with prepared statements using mysqli_prepare() or PDO parameter binding to eliminate injection paths.
• Apply database account least privilege so the application user cannot execute DROP, ALTER, or cross-database queries.

# Example hardening: enforce numeric ID validation in PHP
# Replace vulnerable concatenation with parameter binding
$stmt = $pdo->prepare('DELETE FROM announcements WHERE id = :id');
$stmt->bindValue(':id', (int)$_POST['ID'], PDO::PARAM_INT);
$stmt->execute();