Critical Unauthenticated File Upload Flaw Found in Tailored Tools Versions Up to 3.0.3
A new critical vulnerability in Tailored Tools allows unauthenticated arbitrary file uploads, risking full system compromise for sites running version 3.0.3 or earlier.
Key points
- CVE-2026-62025 is rated Critical with a CVSS score of 9 by the National Vulnerability Database.
- The flaw enables unauthenticated arbitrary file uploads in Tailored Tools versions 3.0.3 and older.
- The vulnerability is classified under CWE-434, indicating a lack of proper restrictions on uploaded files.
The National Vulnerability Database has published CVE-2026-62025, identifying a critical security flaw in the Tailored Tools plugin. This vulnerability allows attackers to perform unauthenticated arbitrary file uploads on systems running version 3.0.3 or earlier, potentially leading to complete server compromise.
At a glance
- CVE
- CVE-2026-62025
- Product
- Tailored Tools
- CVSS
- 9 Critical
- Weakness
- unrestricted file upload
- Exploited
- No known exploitation
According to the NVD record, the issue is rated as Critical with a CVSS score of 9. The weakness stems from inadequate restrictions on uploaded files, categorized as CWE-434. Attackers can exploit this to upload malicious scripts without needing valid login credentials, gaining immediate execution privileges on the host system.
Context and Background
The vulnerability is specifically tied to the Tailored Tools plugin developed by Tailored Media. The NVD listing confirms that all versions up to and including 3.0.3 are affected by this security gap. No patched version has been confirmed in the available source material, leaving current installations exposed until a fix is released.
Unauthenticated arbitrary file upload vulnerabilities are among the most dangerous web application flaws. They bypass standard authentication controls, allowing remote attackers to place executable content directly onto the server. Once a malicious file is uploaded, it can be used to execute commands, steal data, or pivot to other internal systems.
Who Is Affected
Any website or web server running Tailored Tools version 3.0.3 or earlier is vulnerable to exploitation. This includes development, staging, and production environments that have not updated to a secure version. Organizations relying on this plugin for media management should immediately verify their installed versions to determine exposure risk.
The lack of authentication requirements makes this threat particularly urgent. Even if the application is behind a login page, the specific upload endpoint associated with Tailored Tools can be targeted directly. This means external attackers do not need stolen credentials to initiate an attack against affected installations.
What should you do?
Security teams should audit their web servers to identify any instances of Tailored Tools version 3.0.3 or lower. If affected versions are found, isolate the systems from public internet access to prevent exploitation until a vendor patch is available. Monitor server logs for unusual file upload attempts or new executable files appearing in upload directories.
What to do and how to stay safe: Tailored Tools
- Inventory all web servers to check for Tailored Tools installations and verify version numbers against the affected list.
- Restrict network access to affected systems by blocking unnecessary inbound traffic to the web application ports.
- Review web server access logs for signs of unauthorized file upload attempts or unusual POST requests to the plugin.
- Prepare to isolate compromised systems from the network immediately if evidence of a successful upload is detected.
Step-by-step guide: Risk Based Vulnerability Management: Prioritize Fixes by Actual Threat
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is the CVSS score for CVE-2026-62025?
The National Vulnerability Database rates CVE-2026-62025 with a CVSS score of 9, classifying it as Critical.
Which versions of Tailored Tools are affected?
All versions of Tailored Tools up to and including version 3.0.3 are affected by this vulnerability.
Does this vulnerability require authentication to exploit?
No, the vulnerability allows for unauthenticated arbitrary file uploads, meaning no login credentials are needed.
