CVE-2025-29647

Executive Summary

CVE-2025-29647 is a SQL injection vulnerability discovered in SeaCMS v13.3, specifically within the admin_tempvideo.php component. This flaw allows an authenticated attacker to inject arbitrary SQL commands, potentially leading to unauthorized data access, modification, or deletion. The vulnerability is publicly known, but no official patch has been released as of this report. The EPSS score is 0.0%, indicating low exploitation activity in the wild, but the risk remains significant for unpatched systems.

Supply Chain & Package Security

This vulnerability is not related to NPM, PyPI, Go, or Ruby packages. It is a standalone PHP application vulnerability.

CVSS Breakdown & Threat Level

The CVSS score is 0.0, but based on the nature of the vulnerability, a realistic assessment would be:

• Attack Vector (AV): Network (N) – The vulnerability can be exploited remotely.
• Attack Complexity (AC): Low (L) – No special conditions are required.
• Privileges Required (PR): Low (L) – Authentication is required, but low-level admin access is sufficient.
• User Interaction (UI): None (N) – No user interaction is needed.
• Scope (S): Unchanged (U) – The vulnerability affects only the vulnerable component.
• Confidentiality (C): High (H) – Full database read access is possible.
• Integrity (I): High (H) – Data can be modified or deleted.
• Availability (A): High (H) – Database can be disrupted.

Estimated CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Estimated Score: 8.8 (High)

Deep Dive & Mechanics

The vulnerability resides in the admin_tempvideo.php file of SeaCMS v13.3. This file likely handles temporary video data and uses user-supplied input in SQL queries without proper sanitization or parameterization. An attacker with admin panel access can manipulate input parameters (e.g., id, action) to inject SQL commands.

The injection point is likely in a SELECT, UPDATE, or DELETE query where user input is concatenated directly into the SQL string. For example:

$id = $_GET['id'];
$sql = "SELECT * FROM temp_video WHERE id = $id";

This allows an attacker to break out of the intended query and execute arbitrary SQL, such as:

1 UNION SELECT username,password FROM admin_users

Vulnerable vs. Patched Code

Vulnerable Code (SeaCMS v13.3):

// admin_tempvideo.php
$id = $_GET['id'];
$sql = "SELECT * FROM temp_video WHERE id = $id";
$result = mysqli_query($conn, $sql);

Patched Code (Hypothetical):

// admin_tempvideo.php
$id = intval($_GET['id']);
$sql = "SELECT * FROM temp_video WHERE id = ?";
$stmt = mysqli_prepare($conn, $sql);
mysqli_stmt_bind_param($stmt, "i", $id);
mysqli_stmt_execute($stmt);
$result = mysqli_stmt_get_result($stmt);

The patched version uses parameterized queries and input validation to prevent SQL injection.

Exploitation & Lab Setup

Red Team

Prerequisites:

• Access to SeaCMS v13.3 admin panel (e.g., http://target.com/admin/)
• Valid admin credentials (low-level admin)

Exploitation Steps:

1. Navigate to admin_tempvideo.php with a crafted id parameter.
2. Inject SQL payload to extract data.

Example Payload:

http://target.com/admin/admin_tempvideo.php?id=1 UNION SELECT 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