CVE-2021-40813

MEDIUM

Element-IT HTTP Commander 3.1.9 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-40813. PoCs published by Oscar Sandén.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in HTTP Commander 3.1.9 via malicious filenames within a ZIP archive. The payload executes when the ZIP content is viewed in the application.

Description

A cross-site scripting (XSS) vulnerability in the "Zip content" feature in Element-IT HTTP Commander 3.1.9 allows remote authenticated users to inject arbitrary web script or HTML via filenames.

Exploits (1)

exploitdb WORKING POC
by Oscar Sandén · textwebappswindows
https://www.exploit-db.com/exploits/50645

This exploit demonstrates a stored XSS vulnerability in HTTP Commander 3.1.9 via malicious filenames within a ZIP archive. The payload executes when the ZIP content is viewed in the application.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: HTTP Commander 3.1.9
Auth required
Prerequisites: ability to upload ZIP files to the target application
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Product x_refsource_misc
https://www.element-it.com/products.aspx
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/50645

Scores

CVSS v3 5.4
EPSS 0.0075
EPSS Percentile 49.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
element-it/http_commander 3.1.9
Published Jan 13, 2022
Tracked Since Feb 18, 2026