CVE-2025-67288
Umbraco CMS PDF File Upload Remote Code Execution
Description
An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file. NOTE: this is disputed by the Supplier because the responsibility for file validation (as shown in the documentation) belongs to the system administrator who is implementing Umbraco CMS in their environment, not to Umbraco CMS itself, a related issue to CVE-2023-49279.
INFO
Published Date :
Dec. 22, 2025, 7:15 p.m.
Last Modified :
Jan. 8, 2026, 6:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update Umbraco CMS to the latest secure version.
- Apply vendor patches for identified vulnerabilities.
- Restrict file upload types to prevent exploitation.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-67288.
| URL | Resource |
|---|---|
| http://umbraco.com | Product |
| https://github.com/vuquyen03/CVE/tree/main/CVE-2025-67288 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-67288 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-67288
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-67288 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-67288 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jan. 08, 2026
Action Type Old Value New Value Changed Description An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file. NOTE: this is disputed by the Supplier because the responsibility for file validation (as shown in the documentation) belongs to the system administrator who is implementing Umbraco CMS in their environment, not to Umbraco CMS itself. The supplier also believes that this CVE is a duplicate of CVE-2023-49279 because the CVEs only differ in the file type. An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file. NOTE: this is disputed by the Supplier because the responsibility for file validation (as shown in the documentation) belongs to the system administrator who is implementing Umbraco CMS in their environment, not to Umbraco CMS itself, a related issue to CVE-2023-49279. -
CVE Modified by [email protected]
Jan. 08, 2026
Action Type Old Value New Value Changed Description An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file. NOTE: this is disputed by the Supplier because the responsibility for file validation (as shown in the documentation) belongs to the system administrator who is implementing Umbraco CMS in their environment, not to Umbraco CMS itself. An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file. NOTE: this is disputed by the Supplier because the responsibility for file validation (as shown in the documentation) belongs to the system administrator who is implementing Umbraco CMS in their environment, not to Umbraco CMS itself. The supplier also believes that this CVE is a duplicate of CVE-2023-49279 because the CVEs only differ in the file type. -
Initial Analysis by [email protected]
Jan. 02, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:umbraco:umbraco_cms:16.3.3:*:*:*:*:*:*:* Added Reference Type MITRE: http://umbraco.com Types: Product Added Reference Type MITRE: https://github.com/vuquyen03/CVE/tree/main/CVE-2025-67288 Types: Third Party Advisory -
CVE Modified by [email protected]
Jan. 02, 2026
Action Type Old Value New Value Added Tag disputed Changed Description An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code via uploading a crafted PDF file. An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file. NOTE: this is disputed by the Supplier because the responsibility for file validation (as shown in the documentation) belongs to the system administrator who is implementing Umbraco CMS in their environment, not to Umbraco CMS itself. -
New CVE Received by [email protected]
Dec. 22, 2025
Action Type Old Value New Value Added Description An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code via uploading a crafted PDF file. Added Reference http://umbraco.com Added Reference https://github.com/vuquyen03/CVE/tree/main/CVE-2025-67288 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Dec. 22, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-434