CVE-2025-31542

Remediation/Mitigation Strategy for CVE-2025-31542 - Blind SQL Injection in wphocus My auctions allegro

This document outlines the remediation and mitigation strategies for the Blind SQL Injection vulnerability (CVE-2025-31542) affecting the wphocus My auctions allegro plugin for WordPress, versions up to and including 3.6.20.

1. Vulnerability Description:

  • Vulnerability: Blind SQL Injection
  • Affected Software: wphocus My auctions allegro WordPress plugin
  • Affected Versions: Versions up to and including 3.6.20
  • CVE: CVE-2025-31542
  • Description: The wphocus My auctions allegro plugin is vulnerable to Blind SQL Injection. This vulnerability allows an attacker to inject arbitrary SQL code through improperly sanitized input fields or parameters used in SQL queries. Due to the “blind” nature of this SQL injection, the attacker might not see direct output from the database, but can infer information by observing application behavior, such as timing differences or error messages (if any). This can potentially lead to unauthorized access to sensitive data, modification of database content, or even complete compromise of the database server.

2. Severity Assessment:

  • CVSS Score: 8.5 (High)

  • CVSS Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (Based on the provided information)

    • AV:N (Network): The vulnerability is exploitable over the network.
    • AC:L (Low): The attack complexity is low, meaning it’s relatively easy to exploit.
    • PR:L (Low): The attacker requires low privileges, meaning a standard user account might be sufficient.
    • UI:N (None): No user interaction is required to exploit the vulnerability.
    • S:U (Unchanged): The security scope is unchanged; the vulnerable component and the impacted component are within the same security authority.
    • C:H (High): Confidentiality impact is high; the attacker can gain access to sensitive information.
    • I:H (High): Integrity impact is high; the attacker can modify data.
    • A:H (High): Availability impact is high; the attacker can disrupt or shut down the service.

  • Severity: High - Due to the ease of exploitation and the potential for significant impact, this vulnerability is considered high severity.

3. Known Exploits & Impact:

  • Known Exploits: While the analysis is “Awaiting Analysis” according to the provided data, the fact that it’s a Blind SQL Injection vulnerability suggests that exploits are likely to exist or can be readily developed. Public exploits might not be available yet, but should be anticipated.
  • Potential Impact:
    • Data Breach: Unauthorized access to sensitive data stored in the WordPress database, including user credentials, customer information, and other confidential data.
    • Data Modification: Alteration or deletion of data within the database, leading to inconsistencies, errors, or data loss.
    • Account Takeover: Compromise of user accounts, including administrator accounts, allowing the attacker to gain complete control of the WordPress website.
    • Website Defacement: Modification of website content to display malicious or unwanted information.
    • Malware Distribution: Injection of malicious code into the website, allowing the attacker to distribute malware to visitors.
    • Denial of Service (DoS): Overloading the database server with malicious queries, leading to a denial of service for legitimate users.
    • Complete System Compromise: In some cases, depending on database permissions and configuration, an attacker might be able to execute operating system commands on the database server, leading to complete system compromise.

4. Remediation Strategy:

The primary remediation strategy is to update the wphocus My auctions allegro plugin to a patched version. The developers of the plugin should release an update that addresses the SQL injection vulnerability.

  • Step 1: Check for Updates: Immediately check for an updated version of the wphocus My auctions allegro plugin in the WordPress admin dashboard. If an update is available, proceed to Step 2.
  • Step 2: Apply the Update: Update the plugin to the latest version as soon as possible. This is the most effective way to eliminate the vulnerability.
  • Step 3: Verification: After the update, verify that the plugin is functioning correctly and that no errors are occurring.
  • Step 4: Monitor for Further Updates: Continue to monitor for future updates from the plugin developer to address any newly discovered vulnerabilities.

5. Mitigation Strategy (If an update is not immediately available):

If an update is not immediately available, the following mitigation steps can be taken to reduce the risk of exploitation. These are temporary measures and should not be considered a replacement for updating the plugin.

  • Disable the Plugin: The most effective mitigation if an update isn’t available is to temporarily disable the My auctions allegro plugin. This will prevent the vulnerability from being exploited, but will also remove the plugin’s functionality.

  • Web Application Firewall (WAF): Implement a web application firewall (WAF) with SQL injection protection enabled. Configure the WAF to block or flag suspicious requests that might be indicative of an SQL injection attempt. Popular WAF options include:

    • Cloudflare WAF

    • Sucuri Firewall

    • Wordfence (WordPress Plugin)

    • AWS WAF

    • WAF Rules: Specifically, implement rules that detect and block common SQL injection payloads, such as:

      • ' OR '1'='1
      • UNION SELECT
      • -- (commenting out parts of the query)
      • Hex encoded characters often used in SQL Injection
      • Any SQL keywords that are not expected and are used in a potentially malicious manner.

  • Input Validation and Sanitization: Review the plugin’s code (if feasible) and identify any input fields or parameters that are used in SQL queries. Implement strict input validation and sanitization to ensure that only valid data is passed to the database. This is best handled by the plugin developer, but if you have access and the skills, you may implement some rudimentary validation on your own. Be extremely careful if modifying plugin code, as it can break the plugin’s functionality and may be overwritten on update.

    • Whitelist Approved Characters: Validate that all user inputs are only composed of characters within a strictly defined whitelist. Reject any input that includes characters that are not pre-approved.
    • Escaping User Input: Properly escape user-provided data before using it in SQL queries. Use parameterized queries or prepared statements, if possible, as they are the most effective way to prevent SQL injection.

  • Database Permissions: Review and restrict database permissions to the minimum necessary for the plugin to function. Avoid granting the plugin’s database user excessive privileges. For example, ensure the user doesn’t have FILE privileges.

  • Monitor Website Traffic: Closely monitor website traffic for any suspicious activity, such as unusual requests or error messages. Analyze server logs and database logs for potential SQL injection attempts.

  • Regular Security Audits: Conduct regular security audits of the WordPress website and its plugins to identify and address potential vulnerabilities proactively.

6. Reporting:

  • Report the vulnerability to the wphocus My auctions allegro plugin developer. This helps ensure that the vulnerability is properly addressed and that other users are protected.
  • Consider reporting the vulnerability to the WordPress security team.

7. Conclusion:

The Blind SQL Injection vulnerability in the wphocus My auctions allegro plugin poses a significant security risk. It is crucial to update the plugin to a patched version as soon as possible. If an update is not immediately available, implement the mitigation strategies outlined in this document to reduce the risk of exploitation. Continue to monitor the website for suspicious activity and conduct regular security audits to ensure that the website remains secure. Always prioritize updating the plugin to the latest version when available.

Assigner

Date

  • Published Date: 2025-03-31 12:55:12
  • Updated Date: 2025-04-01 20:26:31

More Details

CVE-2025-31542