CVE-2025-2699 in ContentTools
Summary
by MITRE • 03/24/2025
A vulnerability was found in GetmeUK ContentTools up to 1.6.16. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Image Handler. The manipulation of the argument onload leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/22/2025
This vulnerability exists within the GetmeUK ContentTools software version 1.6.16 and earlier, specifically affecting the Image Handler component. The flaw manifests through improper input validation in the onload argument handling mechanism, creating a cross site scripting vulnerability that allows attackers to inject malicious scripts into web pages viewed by users. The vulnerability's classification as problematic indicates a significant security risk that requires immediate attention from system administrators and security teams responsible for maintaining the affected software environment. The issue stems from the software's failure to properly sanitize or escape user-supplied input parameters that are subsequently rendered in web page contexts, creating an attack surface where malicious payloads can be executed within the victim's browser context.
The technical exploitation of this vulnerability occurs through remote attack vectors where an attacker can manipulate the onload argument parameter to inject malicious javascript code. This type of vulnerability falls under the CWE-79 category of Cross Site Scripting, specifically representing a stored or reflected XSS variant depending on how the input is processed and persisted within the application. The vulnerability's exploitability is heightened by the fact that it has been publicly disclosed and is actively being used in the wild, indicating that threat actors have already developed working attack vectors against this specific flaw. The remote nature of the attack means that no local access or privileged credentials are required to exploit the vulnerability, making it particularly dangerous for widely deployed applications.
The operational impact of this vulnerability extends beyond simple script execution, as successful exploitation can lead to session hijacking, credential theft, data exfiltration, and potential full system compromise depending on the victim's privileges and the application's access controls. Attackers can leverage this vulnerability to establish persistent access to user sessions, manipulate application data, or redirect users to malicious sites that can harvest sensitive information. The lack of vendor response to early disclosure attempts creates additional risk as organizations may not receive timely patches or mitigations to address the vulnerability. This delay in vendor response compounds the security risk, particularly in environments where the affected software is deployed across multiple systems or integrated into critical business processes.
Organizations should immediately implement mitigations including input validation and output encoding for all user-supplied parameters, particularly those used in dynamic content generation. The implementation of Content Security Policy headers can provide additional defense in depth against script injection attacks, while regular security monitoring and log analysis should be enhanced to detect potential exploitation attempts. The vulnerability demonstrates the critical importance of maintaining up-to-date software components and establishing effective vulnerability management processes that include proactive monitoring of security advisories and timely patch deployment. Given the public disclosure and active exploitation status, organizations should prioritize the remediation of this vulnerability and consider implementing temporary workarounds or network-level controls to prevent exploitation until proper patches can be deployed.