CVE-2025-22558 is classified as a medium-severity vulnerability due to an improper neutralization of input during web page generation, specifically allowing stored Cross-site Scripting (XSS) in the Marcus C. J. Hartmann mcjh button shortcode plugin. This vulnerability impacts versions from n/a through 1.6.4 and could lead to serious implications for users of the affected software.
The severity of this vulnerability is reflected in its CVSS score of 6.5, which indicates a medium level of risk. Organizations should take note of the potential for exploitation, particularly in environments where user input is not adequately sanitized.
As of the latest updates, the exploitation status of this vulnerability is deferred, meaning there has not been a confirmed exploit in the wild, though it remains critical for organizations to remain vigilant.
Organizations should prioritize patching the mcjh button shortcode plugin to mitigate any potential risks associated with this vulnerability and ensure their web applications are secure.
Vulnerability Details
This vulnerability allows stored XSS through improper handling of user input in the mcjh button shortcode plugin.
The CVSS score of 6.5 indicates that while the risk is medium, organizations must still act to remediate this vulnerability promptly.
Technical Analysis
The root cause of this vulnerability lies in the inadequate sanitization of user input during web page generation, leading to the potential for stored XSS attacks.
An attacker could exploit this vulnerability through network vectors, requiring low privileges and user interaction to execute the attack.
Risk & Impact Analysis
Risk to organizations includes the potential for unauthorized access to sensitive user data, as well as the possibility of further infection within interconnected systems.
The blast radius of this vulnerability can be significant, especially for organizations that rely heavily on web applications for user interactions.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The mcjh button shortcode plugin is affected from n/a through 1.6.4. Organizations using this plugin should ensure they are updated to the latest version to mitigate the risk.
Mitigation & Remediation
Organizations should prioritize patching immediately. It is crucial to upgrade the mcjh button shortcode plugin to the latest version to close this vulnerability.
In the meantime, organizations can implement input validation and output encoding as workarounds to mitigate the risk of XSS attacks.
Detection Guidance
Monitoring logs for unusual user behavior and reviewing changes made to web pages can help detect exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-22558 highlights the importance of continuous security assessments and the need for organizations to adopt proactive measures in their development processes.
This incident serves as a reminder for security teams to prioritize secure coding practices and to regularly review third-party plugin security.
Organizations are encouraged to implement regular vulnerability assessments and penetration testing to identify and remediate weaknesses proactively.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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