CVE-2026-0942 is a medium-severity vulnerability affecting the Rede Itaú for WooCommerce — Payment PIX, Credit Card and Debit plugin for WordPress. This vulnerability allows unauthorized modification of data due to a missing capability check on the clearOrderLogs() function. As a result, unauthenticated attackers can delete the Rede Order Logs metadata from all WooCommerce orders. The vulnerability affects all versions up to and including 5.1.5.
With a CVSS score of 5.3, this vulnerability poses a significant risk to organizations using the affected plugin. The lack of proper capability checks means that attackers can exploit this flaw with low complexity and without requiring any privileges or user interaction. Organizations must understand the potential impact of this vulnerability on their operations and data integrity.
As of now, there are no known exploits, but the risk to organizations includes unauthorized data manipulation, which can lead to data integrity issues. Organizations should prioritize patching immediately to mitigate this risk.
The vulnerability was published on January 16, 2026, and its last modification was noted on April 15, 2026. Given its deferred status, organizations must remain vigilant and monitor for updates from the vendor.
For further technical details, the vulnerability can be explored in the plugin's code, specifically in the clearOrderLogs() function.
Vulnerability Details
The Rede Itaú for WooCommerce plugin is susceptible to unauthorized data modification due to a missing capability check in the clearOrderLogs() function. This vulnerability affects all versions up to and including 5.1.5. The official CVE description highlights the potential for unauthenticated attackers to delete important metadata related to WooCommerce orders.
The CVSS score for this vulnerability is 5.3, categorizing it as medium severity. It indicates that the attack vector is network-based, with low complexity, requiring no privileges or user interaction. The impact on integrity is classified as low, while confidentiality and availability impacts are marked as none.
The vulnerability is associated with CWE-306, which denotes missing authentication for critical functions. Organizations should take note of this classification as it reflects a serious oversight in security practices.
Technical Analysis
The root cause of CVE-2026-0942 lies in the absence of a capability check in the clearOrderLogs() function. Without this check, attackers can exploit the vulnerability to manipulate order logs without authentication.
The attack vector is network-based, which means that an attacker can exploit this vulnerability remotely over the internet. Given the low complexity of the attack, it can be executed without any specialized skills or tools. Importantly, no privileges are required, and user interaction is not necessary for the attack to succeed.
The impacts of the vulnerability on confidentiality, integrity, and availability are categorized as follows: confidentiality is unaffected, integrity is minimally impacted (low impact), and availability remains intact. This highlights the risk of data integrity issues without affecting system uptime.
Risk & Impact Analysis
The real-world risk associated with CVE-2026-0942 is significant for organizations that utilize the Rede Itaú for WooCommerce plugin. Unauthorized modifications to order logs can lead to data integrity issues, which may undermine customer trust and lead to financial discrepancies.
Given the nature of this vulnerability, the potential blast radius includes all WooCommerce orders processed through the affected plugin, thereby affecting any organization that relies on this functionality. Organizations should address the vulnerability in their priority patch cycle due to its medium severity rating.
The CVSS score indicates a need for immediate attention, especially considering the potential for exploitation in active environments. Organizations should prioritize patching immediately.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The Rede Itaú for WooCommerce plugin is affected in all versions up to and including 5.1.5. Organizations should ensure they are running a patched version to mitigate the risk associated with this vulnerability.
Mitigation & Remediation
To remediate CVE-2026-0942, organizations should update the Rede Itaú for WooCommerce plugin to the latest version provided by the vendor. Routine patching should be part of an organization's security strategy.
If a patch is unavailable, organizations should consider configuring their environment to restrict access to the affected function and monitor for any unauthorized access attempts.
For further guidance on securing WooCommerce and similar platforms, organizations may refer to resources on application security assessments. Implementing strong network controls and monitoring solutions can also help mitigate risks.
Detection Guidance
Organizations should monitor logs for any unauthorized attempts to access or delete Rede Order Logs metadata. Behavioral anomalies, such as unexpected deletion of order logs, should also be investigated.
Additionally, network signatures can be utilized to detect unusual patterns of access that may indicate exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-0942 highlights the importance of implementing robust capability checks within WordPress plugins. This vulnerability represents a common oversight in plugin development that can lead to severe data integrity issues.
Security teams should reflect on the lessons learned from this incident to enhance their development lifecycle, ensuring security is integrated from the ground up. Continuous monitoring and vulnerability management are essential in maintaining a secure environment.
For best practices on maintaining application security, organizations may consult resources on penetration testing methodologies. Additionally, leveraging insights from vulnerability management programs can significantly improve an organization's security posture.
Lastly, adopting a proactive approach to security through security testing best practices can help organizations mitigate risks associated with vulnerabilities like CVE-2026-0942.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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