CVE-2025-50019 is a medium-severity vulnerability categorized as an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in the Simple Sticky Footer plugin developed by Sandor Kovacs. This vulnerability allows attackers to execute stored XSS attacks, potentially compromising the integrity of the affected applications. The vulnerability affects all versions up to and including 1.3.5, emphasizing the need for prompt remediation to safeguard against exploitation.
The CVSS score for this vulnerability is 5.9, indicating a medium severity level that should not be overlooked. The potential risk to organizations includes unauthorized access, data manipulation, and other malicious activities due to the exploitation of this XSS vulnerability. Organizations utilizing the Simple Sticky Footer plugin need to assess their exposure and take necessary action to mitigate risks.
Currently, there is no known public exploit for this vulnerability, but organizations should still prioritize addressing it, as the attack complexity is low and user interaction is required. The urgency for defenders is categorized as medium, and organizations should address this vulnerability in their priority patch cycle.
The vulnerability was published on June 20, 2025, and has been classified under CWE-79. As such, it poses a significant risk if left unaddressed, and organizations should prepare for potential impacts.
Vulnerability Details
CVE-2025-50019 allows Stored XSS due to improper neutralization of input during web page generation within the Simple Sticky Footer plugin. The CVSS 3.1 score of 5.9 reflects a medium severity level, with the following details:
Attribute | Value |
|---|---|
CVSS Score | 5.9 |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | High |
User Interaction | Required |
Confidentiality Impact | Low |
Integrity Impact | Low |
Availability Impact | Low |
Risk & Impact Analysis
The risk to organizations includes exploitation of the XSS vulnerability, which can lead to unauthorized actions being performed in the context of affected users. This could allow attackers to manipulate data, gain sensitive information, or execute malicious scripts. The potential blast radius is significant, especially if the plugin is used in widely deployed web applications.
Given the medium CVSS score of 5.9 and the current absence of known exploits, the urgency for organizations is to address the vulnerability during their priority patch cycle. It is essential to remain vigilant and proactively manage vulnerabilities to prevent exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects Simple Sticky Footer plugin versions from n/a through 1.3.5. Organizations utilizing this plugin should ensure they are using a patched version to mitigate risks associated with this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching immediately. Upgrade to the latest version of the Simple Sticky Footer plugin to ensure protection against this vulnerability. If a patch is not available, implement workarounds such as input validation and sanitization to prevent XSS attacks. Configuration hardening and network controls should also be considered to restrict access to the affected functionalities.
For additional support, organizations can explore our penetration testing services to validate the effectiveness of their remediation efforts.
Detection Guidance
Monitoring for log indicators such as unusual user behavior and unexpected changes in content can help detect exploitation attempts. Organizations should also watch for behavioral anomalies that may indicate an ongoing attack and implement network signatures to identify malicious activities. System changes should be logged and reviewed regularly to identify unauthorized modifications.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-50019 lies in its potential to disrupt operations through XSS attacks. As organizations increasingly rely on web applications, understanding and mitigating vulnerabilities like this is crucial. This vulnerability highlights the importance of regular security assessments and the need for organizations to adopt a proactive security posture.
For further learning, security teams should consider reviewing best practices in our penetration testing methodology and explore strategies for identifying and managing vulnerabilities effectively through our vulnerability management program. Additionally, reviewing the security testing best practices can further enhance your organization's security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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