Appsecure logo

CVE-2025-50001: High Vulnerability in tagDiv Composer

A high-severity reflected XSS vulnerability in tagDiv Composer affects versions up to 5.4.2. Immediate action is required to mitigate potential exploits.

HIGHCVSS 7.1 · Published March 19, 2026

Not a customer? See how AppSecure simulates real world attacks to protect your infrastructure.

Speak to Experts

CVE-2025-50001 is a high-severity vulnerability affecting the tagDiv Composer plugin, specifically versions up to 5.4.2. This vulnerability allows for reflected Cross-site Scripting (XSS), which can be exploited by attackers to execute arbitrary scripts in the context of the user's browser. Given its CVSS score of 7.1, this vulnerability poses a significant risk to organizations using this plugin.

The risk to organizations includes unauthorized access to sensitive information, potential defacement of web pages, and the possibility of phishing attacks. As this vulnerability allows attackers to manipulate the web page content, user interaction is required to trigger the exploit. Organizations should prioritize patching immediately to mitigate these risks.

Currently, there is no known exploit available for CVE-2025-50001, but its classification as a high-severity vulnerability necessitates immediate attention. The urgency for defenders is heightened by the nature of reflected XSS, which can be rapidly executed against users visiting vulnerable sites.

Given the potential impact and exploitation status, it is critical for organizations leveraging tagDiv Composer to assess their exposure and apply necessary updates as soon as possible.

Vulnerability Details

This vulnerability allows for improper neutralization of input during web page generation, leading to reflected XSS. The affected component is tagDiv Composer, specifically from n/a through version 5.4.2. The vulnerability is classified under CWE-79, indicating a flaw in input sanitization.

The CVSS score of 7.1 reflects a high severity, indicating a significant potential for impact on confidentiality, integrity, and availability, though the impacts are presently assessed as low.

Technical Analysis

The root cause of this vulnerability lies in the failure to properly neutralize input during the dynamic generation of web pages. The attack vector is network-based, requiring no special privileges to exploit, although user interaction is required to trigger the XSS payload. The attack complexity is low, making this vulnerability particularly concerning for organizations with minimal security measures.

Exploitation does not require any elevated privileges and can be executed by any user visiting a vulnerable site. The potential impacts include low confidentiality, integrity, and availability impacts, emphasizing the necessity for immediate remediation.

Risk & Impact Analysis

The real-world deployment risk associated with CVE-2025-50001 is notable, especially for organizations utilizing the affected plugin in public-facing applications. The potential blast radius is considerable, as any compromise can lead to a cascade of phishing and information theft incidents.

With a CVSS score of 7.1, organizations must address this vulnerability in their priority patch cycle. Given the potential for exploitation through reflected XSS, immediate patching is essential to protect against unauthorized access and data breaches.

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

All versions of tagDiv Composer prior to 5.4.2 are affected by this vulnerability. Organizations should ensure they are running the latest version to mitigate the risk of exploitation.

Mitigation & Remediation

To remediate CVE-2025-50001, organizations should update tagDiv Composer to the latest version immediately. If a patch is not available, consider disabling the plugin temporarily until a secure version can be deployed. Additionally, implementing input validation and sanitization in web applications can help prevent similar vulnerabilities in the future.

For organizations looking to enhance their security posture, engaging in regular penetration testing and security assessments is recommended.

Detection Guidance

Monitoring logs for unusual activity and implementing web application firewalls can help detect attempts to exploit this vulnerability. Organizations should also look for signs of unauthorized scripts executing in the browser context of users.

AppSecure Threat Intelligence Insight

The vulnerability landscape continues to evolve, with reflected XSS remaining a common attack vector. Organizations should stay informed about emerging threats and ensure their web applications are robust against such vulnerabilities.

To learn more about securing web applications, organizations can refer to the following resources: web application penetration testing, vulnerability management programs, and penetration testing methodologies to fortify their defenses.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

Latest CVEs. Recently published vulnerabilities from the NVD database.

View all vulnerabilities
CVE IDSeverity
CVE-2025-65418HIGH
CVE-2025-65417MEDIUM
CVE-2025-65416MEDIUM
CVE-2025-65415MEDIUM
CVE-2025-61314HIGH

Protect Your Business with Hacker-Focused Approach.