CVE-2019-25137

HIGH

Umbraco CMS <7.15.10 - Authenticated RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2019-25137. PoCs published by Gregory Draperi, Ickarah, dact91.

AI-analyzed exploit summary This exploit leverages an XSLT injection vulnerability in Umbraco CMS to achieve remote code execution by authenticated administrators. It uses a crafted XSLT payload with embedded C# code to execute arbitrary commands (e.g., calc.exe).

Description

Umbraco CMS 4.11.8 through 7.15.10, and 7.12.4, allows Remote Code Execution by authenticated administrators via msxsl:script in an xsltSelection to developer/Xslt/xsltVisualize.aspx.

Exploits (3)

exploitdb WORKING POC
by Gregory Draperi · pythonwebappsaspx
https://www.exploit-db.com/exploits/46153

This exploit leverages an XSLT injection vulnerability in Umbraco CMS to achieve remote code execution by authenticated administrators. It uses a crafted XSLT payload with embedded C# code to execute arbitrary commands (e.g., calc.exe).

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Umbraco CMS 7.12.4
Auth required
Prerequisites: Authenticated administrator credentials · Access to the Umbraco CMS backoffice
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WRITEUP 1 stars
by Ickarah · poc
https://github.com/Ickarah/CVE-2019-25137-Version-Research

This repository provides a detailed technical analysis of CVE-2019-25137, an XSLT injection vulnerability in Umbraco CMS. It includes a breakdown of the exploit mechanism, affected versions, and proof-of-concept payloads demonstrating remote code execution.

Classification
Writeup 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Umbraco CMS versions 4.11.8 to 7.15.10
Auth required
Prerequisites: Administrator credentials to Umbraco CMS · Access to the vulnerable xsltVisualize.aspx endpoint
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC
by dact91 · poc
https://github.com/dact91/CVE-2019-25137-RCE

This repository contains a functional exploit for CVE-2019-25137, an authenticated RCE vulnerability in Umbraco. The exploit leverages XSLT script injection to execute arbitrary commands on the target system.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Umbraco CMS
Auth required
Prerequisites: Valid Umbraco credentials · Access to the Umbraco backoffice interface
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/46153

Scores

CVSS v3 7.2
EPSS 0.0412
EPSS Percentile 89.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-91
Status published
Products (1)
umbraco/umbraco_cms 4.11.8 - 7.15.10
Published May 18, 2023
Tracked Since Feb 18, 2026