CVE-2025-26763 is a critical security vulnerability identified in the MetaSlider Responsive Slider plugin. This vulnerability allows for the deserialization of untrusted data, leading to potential object injection attacks. The CVSS score for this vulnerability is 9.8, indicating a highly critical risk for organizations utilizing the affected plugin versions. The urgency for defenders is high, as exploitation could lead to severe repercussions.
The vulnerability affects versions of the Responsive Slider by MetaSlider from n/a through 3.94.0. Organizations should prioritize patching immediately to safeguard against potential exploitation. Given the nature of the vulnerability and its high severity, it is crucial for affected organizations to review their environments for the presence of this plugin.
The risk to organizations includes high confidentiality, integrity, and availability impacts, making this a critical concern for security teams. The vulnerability has been listed as deferred, which may impact the urgency and response expected from the vendor.
Currently, there are no known exploits or public proof-of-concept (PoC) available for this vulnerability. However, as the vulnerability remains critical, security practitioners must remain vigilant and monitor for any updates or advisories from the vendor.
Vulnerability Details
The vulnerability is classified as a deserialization of untrusted data issue, specifically identified as CWE-502. It poses a significant risk by allowing attackers to inject malicious objects through manipulated input. The affected product is the MetaSlider Responsive Slider plugin, with a critical CVSS score of 9.8, highlighting its potential impact on confidentiality, integrity, and availability.
Technical Analysis
The root cause of this vulnerability stems from improper handling of untrusted data during the deserialization process. Attackers may leverage this flaw to inject arbitrary objects, leading to unauthorized actions within the application. The attack vector is network-based, characterized by low attack complexity, requiring no privileges or user interaction, making it accessible to a wide range of potential attackers.
The impacts of this vulnerability are severe, with high risks to confidentiality, integrity, and availability. Organizations using the affected versions of the MetaSlider plugin should be aware of the potential for significant data breaches or service disruptions.
Risk & Impact Analysis
The deployment of this vulnerability poses a real-world risk for organizations that utilize the MetaSlider Responsive Slider plugin. The potential blast radius includes any systems and data dependent on the plugin for functionality. Given the high CVSS score, organizations should assess the urgency of addressing this vulnerability as critical.
The urgency assessment based on the CVSS score indicates that organizations should prioritize remediation efforts immediately to prevent exploitation. The risk of exposure is significant, and organizations must take proactive measures to secure their systems.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of the MetaSlider Responsive Slider plugin range from n/a through 3.94.0. Organizations using these versions should take immediate action to update to a patched version to mitigate the risk associated with this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching the MetaSlider Responsive Slider plugin to mitigate this critical vulnerability. It is advisable to regularly check for updates and apply patches as they become available. Additionally, implementing security controls such as input validation and monitoring can help reduce the risk of exploitation.
For further assistance, organizations may consider engaging with professional services for penetration testing to validate the effectiveness of their remediation efforts.
Detection Guidance
Organizations should monitor logs for any unusual activity related to the MetaSlider plugin. Behavioral anomalies, such as unexpected object serialization or deserialization requests, should be flagged for further analysis. Additionally, network signatures indicating attempts to exploit this vulnerability should be incorporated into security monitoring solutions.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-26763 highlights the ongoing risks associated with deserialization vulnerabilities in web applications. Security teams should be aware of the patterns and trends related to such vulnerabilities and incorporate lessons learned into their security practices.
Organizations can enhance their security posture by focusing on training and awareness programs for developers related to secure coding practices. Engaging in penetration testing methodology can also help identify vulnerabilities before they can be exploited.
For organizations implementing cloud solutions, understanding how to secure applications within these environments is crucial. Resources such as the cloud security assessment guide can provide valuable insights.
Ultimately, organizations should create a comprehensive security strategy that incorporates proactive measures, continuous monitoring, and regular assessments to ensure resilience against vulnerabilities like CVE-2025-26763.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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