CVE-2025-23621 is a high-severity vulnerability classified as Cross-site Scripting (XSS) affecting the Causes – Donation Plugin for WordPress. This vulnerability allows attackers to exploit reflected XSS through improper neutralization of input during web page generation. The CVSS score of 7.1 indicates a significant risk to organizations using this plugin. Given that this vulnerability has been marked as deferred, it is crucial for users of the affected plugin to remain vigilant.
Risk to organizations includes potential unauthorized access to sensitive data through client-side scripts. Attackers may leverage this vulnerability to execute arbitrary scripts in the context of the victim's browser, leading to session hijacking or data theft. Organizations should prioritize patching immediately to mitigate these risks.
As of now, there are no known exploits available for this vulnerability, but the potential for exploitation remains. Organizations should take proactive measures to secure their WordPress installations by monitoring for updates and applying security patches as they become available.
With a publication date of January 24, 2025, and a last modified date of April 23, 2026, it is essential to stay informed about the status and remediation of CVE-2025-23621.
Vulnerability Details
The vulnerability involves improper neutralization of input during web page generation, leading to reflected XSS attacks. The affected product is the Causes – Donation Plugin, with versions from n/a to <= 1.0.01. The severity of this vulnerability is classified as high, with a CVSS score of 7.1.
The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L, indicating that the attack vector is network-based, the complexity is low, and no privileges are required to exploit the vulnerability. User interaction is required, and the scope is changed, with low impact on confidentiality, integrity, and availability.
Technical Analysis
The root cause of CVE-2025-23621 lies in inadequate input sanitization, which allows attackers to inject malicious scripts into the web pages rendered by the plugin. The attack vector requires network access, and due to the low complexity of the attack, it can be executed with minimal effort. No privileges are required, but user interaction is necessary, as the victim must click on a link that triggers the XSS payload.
Organizations using the plugin should ensure that they have proper input validation and output encoding implemented to mitigate this vulnerability. Regular security assessments can help identify and remediate such vulnerabilities before they can be exploited.
Risk & Impact Analysis
The real-world risk associated with CVE-2025-23621 includes the potential for attackers to exploit this vulnerability to gain unauthorized access to sensitive information stored in the user's browser, such as session tokens and personal data. The blast radius could affect all users interacting with the compromised plugin, leading to a widespread security incident.
Organizations should schedule remediation as part of their priority patch cycle. The urgency of addressing this vulnerability is heightened due to its potential impact on user trust and data security.
Given the CVSS score of 7.1, organizations are advised to stay vigilant and proactive in monitoring for any updates or patches related to this vulnerability.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerable version is Causes – Donation Plugin version <= 1.0.01. All versions prior to vendor patch are affected.
Mitigation & Remediation
Organizations should prioritize patching to the latest version of the Causes – Donation Plugin. If an immediate update is not possible, implement input validation to mitigate the risk of XSS attacks. Ensure that all user inputs are properly sanitized and encoded before rendering them in web pages.
For more comprehensive security validation, organizations can engage in penetration testing services to identify similar vulnerabilities and enhance their security posture.
Detection Guidance
To detect potential exploitation of CVE-2025-23621, organizations should monitor application logs for unusual access patterns or unexpected input. Behavioral anomalies such as unauthorized script execution should be flagged for review.
AppSecure Threat Intelligence Insight
CVE-2025-23621 represents a significant threat to organizations relying on the Causes – Donation Plugin. The vulnerability underscores the importance of robust input validation and output encoding, particularly for web applications that handle user-generated content. As the landscape of web application security evolves, organizations must adapt their security strategies to address emerging threats.
For further reading on application security best practices, organizations can refer to resources on web application penetration testing and vulnerability management programs.
By implementing these strategies, organizations can strengthen their defenses against XSS attacks and other vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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