CVE-2025-54016 is identified as a medium-severity vulnerability due to improper neutralization of input during web page generation, specifically a Cross-site Scripting (XSS) vulnerability in Kyle Gilman Videopack. This vulnerability allows attackers to execute arbitrary scripts in the context of the user’s session, potentially leading to unauthorized actions on behalf of the user. The severity level is critical, given the exploitability of this flaw, which can impact user data and application integrity.
The vulnerability affects Videopack versions up to and including 4.10.3. Given the nature of this flaw and its CVSS score of 6.5, organizations that utilize this plugin must recognize the real-world risks associated with it. Attackers may leverage this vulnerability to inject malicious scripts, leading to data theft or session hijacking. Organizations should address this vulnerability in their immediate patch cycle.
As of now, this vulnerability is classified with a CVSS base score of 6.5. The attack vector is classified as network-based, and the attack complexity is low. User interaction is required, meaning that a user must perform an action that triggers the XSS vulnerability. Organizations must prioritize the patching of affected systems to prevent exploitation.
Organizations should prioritize patching immediately. The vendor has provided updates to address this vulnerability, and it is essential to implement these updates to ensure ongoing security.
Vulnerability Details
The official description of CVE-2025-54016 states: 'Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kyle Gilman Videopack video-embed-thumbnail-generator allows DOM-Based XSS. This issue affects Videopack: from n/a through <= 4.10.3.' This vulnerability is classified under CWE-79, which refers to improper neutralization in the context of web application security.
According to the CVSS 3.1 score, the vulnerability has a base score of 6.5, indicating a medium severity level. The attack vector is network-based, and the attack complexity is low, which means that an attacker does not require specialized conditions to exploit the vulnerability. Privileges required for the attack are low, and user interaction is necessary, making it feasible for attackers to induce a user to execute the malicious script.
The vulnerability was published on July 16, 2025. As it stands, the status of the vulnerability is currently deferred, indicating that it has not yet been actively exploited, but it remains a risk for organizations using affected versions.
Technical Analysis
The root cause of this vulnerability lies in the improper handling of user input within the Videopack plugin. When user input is not adequately sanitized, it allows for the execution of scripts in the user's browser. This vulnerability is characterized as a DOM-based XSS, where the malicious payload is executed within the Document Object Model (DOM) of the browser.
The attack vector for this vulnerability is network-based, meaning that an attacker can exploit this issue over the network. The attack complexity is low; thus, it requires minimal effort for an attacker to execute the exploit. Privileges are required at a low level, indicating that an attacker may not need administrative rights to execute the attack. However, user interaction is necessary, as the victim must perform actions that trigger the XSS vulnerability.
Impact assessments show that this vulnerability has a low confidentiality, integrity, and availability impact. While attackers may leverage this vulnerability for XSS attacks, the nature of the attack results in limited damage to the underlying systems.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2025-54016 involves the potential for attackers to target users of the Videopack plugin. Low complexity and the requirement for user interaction make it feasible for attackers to exploit this vulnerability through social engineering tactics. Organizations that fail to address this vulnerability risk exposing their users to malicious scripts and unauthorized actions.
This matters to organizations as the vulnerability can lead to session hijacking, data theft, and loss of user trust. The blast radius potential of this vulnerability extends to users of the affected plugin, potentially affecting a large number of individuals if exploited. Given the CVSS score and the potential for exploitation, organizations should address this vulnerability in their patch cycles.
Considering the current status of the vulnerability, it is critical that organizations prioritize remediation based on the medium severity classification. This assessment indicates that immediate attention is warranted to mitigate potential risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version range for CVE-2025-54016 is from n/a through <= 4.10.3. Organizations should ensure that they are using the latest version of the Videopack plugin to mitigate this vulnerability.
Mitigation & Remediation
To remediate CVE-2025-54016, organizations should apply available patches or updates provided by the vendor. If a patch is not immediately available, organizations may consider implementing the following workarounds: sanitize all user inputs, avoid using untrusted data in dynamic web content, and implement Content Security Policy (CSP) to mitigate the risk of XSS.
Organizations should also consider hardening their configurations by restricting user inputs and validating data formats. Monitoring for unusual behavior in web applications can help detect potential exploitation attempts.
For more information, organizations can refer to the recommended patching strategies provided in the context of penetration testing to assess the effectiveness of implemented measures.
Detection Guidance
Organizations are encouraged to monitor logs for indicators of exploitation, such as unexpected script execution or anomalies in user sessions. Behavioral anomalies in web traffic can also signal attempts to exploit this vulnerability.
Network signatures for common XSS patterns should be established to help identify potential attacks. Regularly auditing web applications for security flaws can also mitigate risks associated with vulnerabilities like CVE-2025-54016.
AppSecure Threat Intelligence Insight
CVE-2025-54016 highlights the ongoing challenges organizations face in securing web applications against XSS vulnerabilities. The pattern of XSS exploits remains prevalent, and this case serves as a reminder of the importance of input validation and user data sanitization.
Organizations should incorporate lessons learned from vulnerabilities like this into their security training programs, ensuring that all developers are aware of secure coding practices. For further reading on best practices, organizations can explore our penetration testing methodology or our guide on vulnerability management programs to enhance overall security posture.
As organizations navigate the complexities of securing their applications, they must remain vigilant about potential threats like CVE-2025-54016, ensuring proactive measures are in place to mitigate risks.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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