CVE-2021-42566

MEDIUM NUCLEI

myfactory FMS < 7.1-912 - Cross-Site Scripting via Error Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-42566. PoCs published by RedTeam Pentesting GmbH. A Nuclei detection template is also available.

AI-analyzed exploit summary This is a detailed advisory describing reflected XSS vulnerabilities in myfactory FMS login form via the 'UID' and 'Error' parameters. The PoC demonstrates how arbitrary JavaScript can be executed in a user's browser by crafting malicious URLs.

Description

myfactory.FMS before 7.1-912 allows XSS via the Error parameter.

Exploits (1)

exploitdb WRITEUP
by RedTeam Pentesting GmbH · textwebappsmultiple
https://www.exploit-db.com/exploits/50428

This is a detailed advisory describing reflected XSS vulnerabilities in myfactory FMS login form via the 'UID' and 'Error' parameters. The PoC demonstrates how arbitrary JavaScript can be executed in a user's browser by crafting malicious URLs.

Classification
Writeup 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: myfactory FMS < 7.1-912
No auth needed
Prerequisites: User interaction required to click a malicious link
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

myfactory FMS - Cross-Site Scripting
MEDIUMVERIFIEDby madrobot,daffainfo

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.redteam-pentesting.de/advisories/rt-sa-2021-001

Scores

CVSS v3 6.1
EPSS 0.0583
EPSS Percentile 92.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
myfactory/fms < 7.1-912
Published Oct 18, 2021
Tracked Since Feb 18, 2026