CVE-2025-22540 is a critical SQL injection vulnerability affecting the Seballero Emailing Subscription plugin, specifically versions up to and including 1.4.1. The vulnerability allows attackers to execute arbitrary SQL commands via crafted input, leading to data exposure and potential unauthorized access to sensitive information. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 9.3, indicating a critical level of severity that necessitates immediate action from organizations utilizing this plugin.
With the attack vector being network-based and the complexity classified as low, this vulnerability can be exploited without requiring any special privileges or user interaction. Consequently, the risk to organizations includes a significant threat to confidentiality, while integrity remains unaffected and availability is minimally impacted. Organizations should prioritize patching immediately to mitigate this risk.
As of now, there is no public exploit confirmed, and the vulnerability is not listed in the Known Exploited Vulnerabilities (KEV) catalog. However, it is imperative for organizations to remain vigilant and take proactive measures to secure their systems against potential exploitation attempts.
Given the critical nature of this vulnerability, organizations using the affected versions of the Seballero Emailing Subscription plugin should take immediate steps to update or remediate this issue to prevent unauthorized access and data breaches.
Vulnerability Details
The CVE-2025-22540 vulnerability falls under the classification of Improper Neutralization of Special Elements used in an SQL Command, also referred to as SQL Injection, as per the Common Weakness Enumeration (CWE). The official description indicates that the vulnerability allows blind SQL injection within the emailing subscription functionality of the plugin.
This vulnerability is characterized by a CVSS score of 9.3, indicating a critical severity level. The attack vector is network-based, meaning it can be exploited remotely over the internet. The attack complexity is rated as low, with no privileges required for exploitation, and user interaction is not necessary. The scope of the impact is classified as changed, suggesting that the vulnerability could affect other components as well.
The vulnerability was published on January 9, 2025, and has been classified under CWE-89. Organizations should take immediate action to address this vulnerability as it poses a significant risk to data integrity and confidentiality.
Technical Analysis
The root cause of CVE-2025-22540 stems from improper neutralization of user input within the SQL commands executed by the Seballero Emailing Subscription plugin. Specifically, the application does not adequately sanitize input, allowing attackers to inject malicious SQL code.
The attack vector is classified as network-based, which means an attacker can exploit this vulnerability from a remote location without needing to gain access to the internal network or systems. The attack complexity is low, making it relatively easy for attackers to execute SQL injection attacks. In this scenario, no privileges are required for exploitation, and user interaction is not needed, which further increases the risk of this vulnerability.
The impact on confidentiality is high, as attackers may gain access to sensitive data stored within the database. However, the integrity of the data is not directly impacted, and the availability of the service remains low in terms of potential disruption. Organizations must recognize the high confidentiality impact and the necessity for immediate remediation.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2025-22540 is significant, particularly for organizations relying on the Seballero Emailing Subscription plugin. Given the critical CVSS score of 9.3, organizations must understand that this vulnerability poses a substantial threat to their data confidentiality and overall security posture.
The potential blast radius of this vulnerability is broad, as it allows attackers to execute arbitrary SQL commands, which could lead to unauthorized access to sensitive databases. Organizations should assess the urgency of this vulnerability based on its critical severity classification and should prioritize patching immediately.
Failure to address this vulnerability could result in data breaches that compromise customer information and lead to reputational damage, regulatory penalties, and loss of trust. Therefore, organizations must act swiftly to mitigate the risks associated with CVE-2025-22540.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerable versions of the Seballero Emailing Subscription plugin are from n/a through 1.4.1. Organizations using these versions should take immediate action to patch or upgrade to a secure version.
Mitigation & Remediation
Organizations must apply the latest patches for the Seballero Emailing Subscription plugin to remediate this vulnerability. If a patch is not available, implement workarounds such as input validation and escaping to mitigate SQL injection risks. Configuration hardening should also be employed to restrict access to the database and monitor for unusual activity.
For effective remediation, organizations can consider engaging in penetration testing services to validate the effectiveness of the applied patches and identify any remaining vulnerabilities.
Detection Guidance
To detect potential exploitation of CVE-2025-22540, organizations should monitor logs for unusual SQL queries, especially those involving unexpected parameters. Behavioral anomalies indicating unauthorized data access should be flagged. Additionally, network signatures can be employed to identify attempts to exploit this vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-22540 highlights the persistent risks associated with SQL injection vulnerabilities, which remain a common attack vector for data breaches. This vulnerability exemplifies the need for organizations to continuously assess their security posture and implement robust security measures.
Security teams should learn from this incident by regularly reviewing and updating their security protocols surrounding database access and input validation. The pattern of SQL injection attacks necessitates a proactive approach in securing applications and databases.
For further guidance on best practices, organizations should refer to resources on penetration testing methodology and consider engaging in vulnerability management programs to systematically address vulnerabilities.
By adopting a comprehensive security strategy, organizations can better safeguard against similar vulnerabilities in the future.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

.webp)