CVE-2020-1056

HIGH

Microsoft Edge - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-1056. PoCs published by PierreAdams.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2020-10567, targeting RESPONSIVE Filemanager v9.14.0. The exploit leverages improper input validation in the `ajax_calls.php?action=save_img` endpoint to upload a malicious PHP file, achieving remote code execution.

Description

An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.

Exploits (1)

nomisec WORKING POC
by PierreAdams · poc
https://github.com/PierreAdams/POC-CVE-2020-1056

This repository contains a functional exploit for CVE-2020-10567, targeting RESPONSIVE Filemanager v9.14.0. The exploit leverages improper input validation in the `ajax_calls.php?action=save_img` endpoint to upload a malicious PHP file, achieving remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: RESPONSIVE Filemanager v9.14.0
No auth needed
Prerequisites: Target URL · Command to execute
devstral-2 · analyzed Apr 10, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0329
EPSS Percentile 86.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Details

Status published
Products (1)
microsoft/edge
Published May 21, 2020
Tracked Since Feb 18, 2026