This vulnerability allows for improper neutralization of input during web page generation, specifically enabling stored Cross-Site Scripting (XSS) attacks. The affected component is the WP-Revive Adserver plugin, which is widely used in WordPress environments. The severity of this vulnerability is classified as medium, with a CVSS score of 6.5. This score indicates a moderate risk level, requiring organizations to implement necessary patches to prevent exploitation.
Risk to organizations includes potential unauthorized access to sensitive information, as attackers may exploit this vulnerability to execute arbitrary scripts in the context of the affected users. This could lead to session hijacking, redirection to malicious sites, or data theft. Organizations using the WP-Revive Adserver plugin should prioritize remediation to mitigate these risks.
As of now, there are no known exploits for this vulnerability, and it is classified as deferred. However, organizations should remain vigilant and assess their usage of the WP-Revive Adserver plugin to ensure they are not exposed to potential threats. The urgency for defenders is to apply patches as soon as they become available.
Organizations should prioritize patching immediately. Keeping software up to date is critical to maintaining security and protecting against emerging threats.
Vulnerability Details
The CVE-2025-23802 vulnerability is characterized by improper input handling that allows for stored XSS. The vulnerability impacts the WP-Revive Adserver plugin, specifically versions up to and including 2.2.1. The official description highlights that this issue results from insufficient sanitization of user inputs during the web page generation process.
The CVSS score of 6.5 indicates a medium severity level, which necessitates attention from system administrators and security teams. The risk associated with this vulnerability includes potential impacts on confidentiality and integrity, although the availability impact is rated as low. The CWE classification for this vulnerability is CWE-79, which corresponds to improper neutralization of input during web page generation.
Technical Analysis
The root cause of CVE-2025-23802 lies in the inadequate validation of user input, which is common in many web applications. Attackers may exploit this vulnerability by submitting crafted inputs that are stored and later executed within the application context. The attack vector is network-based, requiring only a low level of complexity to exploit, and it necessitates low privileges with user interaction required to trigger the attack.
Although the attack complexity is low, the user interaction requirement means that an attacker must convince a victim to perform an action that triggers the XSS payload. The confidentiality impact is low, as is the integrity impact, but there is a risk of session hijacking or other malicious activities that could compromise user data.
Risk & Impact Analysis
Organizations leveraging the WP-Revive Adserver plugin must assess the deployment risk associated with this vulnerability. The fact that it allows stored XSS implies that an attacker could gain persistent access to the application environment and potentially manipulate its behavior. This vulnerability can significantly impact users who interact with the affected application, leading to potential data loss or unauthorized actions.
The urgency for organizations to remediate this issue is underscored by the medium CVSS score, which reflects a real threat landscape. Security teams should actively monitor their environments for any signs of exploitation attempts and prioritize the implementation of security patches once made available.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The WP-Revive Adserver plugin is affected from its initial versions up to and including version 2.2.1. Organizations using this plugin should ensure they update to the latest version to mitigate the risks associated with this vulnerability.
Mitigation & Remediation
Organizations should regularly check for updates and patches for the WP-Revive Adserver plugin. If a patch is available, it should be applied immediately. In case a patch is not available, organizations must implement workarounds such as input validation and output encoding to mitigate the impact of this vulnerability.
Configuration hardening, such as ensuring that only trusted users have access to modify plugin settings, can further reduce the risk of exploitation. Regular security assessments and continuous monitoring should also be part of the organization's security strategy to detect any anomalies or breaches.
For organizations seeking to enhance their overall security posture, engaging in penetration testing services can provide insights into their security vulnerabilities and help in strengthening defenses.
Detection Guidance
Organizations should monitor logs for unusual activity that may indicate an attempt to exploit this vulnerability. Behavioral anomalies, such as unexpected input patterns or access attempts, should be flagged for investigation.
Network signatures can also help identify potential exploitation attempts. Keeping system change logs can assist in detecting unauthorized changes that may indicate exploitation of the vulnerability.
AppSecure Threat Intelligence Insight
The emergence of CVE-2025-23802 highlights the ongoing challenges in web application security, particularly concerning input validation. Organizations should take this opportunity to revisit their security practices regarding user input handling to prevent similar vulnerabilities.
As the threat landscape continues to evolve, security teams must remain proactive in their defense strategies. Implementing a comprehensive vulnerability management program can help organizations identify and remediate vulnerabilities before they can be exploited.
Furthermore, the importance of conducting regular security assessments and the role of penetration testing methodologies cannot be overstated in ensuring that applications remain secure against evolving threats.
By staying informed and adopting best practices, organizations can mitigate the risks associated with vulnerabilities like CVE-2025-23802.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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