CVE-2021-43810

HIGH NUCLEI

admidio < 4.0.12 - Reflected Cross-Site Scripting via redirect.php URL Parameter

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-43810 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

Admidio is a free open source user management system for websites of organizations and groups. A cross-site scripting vulnerability is present in Admidio prior to version 4.0.12. The Reflected XSS vulnerability occurs because redirect.php does not properly validate the value of the url parameter. Through this vulnerability, an attacker is capable to execute malicious scripts. This issue is patched in version 4.0.12.

Nuclei Templates (1)

Admidio - Cross-Site Scripting
MEDIUMby gy741

References (4)

Core 4

Scores

CVSS v3 8.8
EPSS 0.0578
EPSS Percentile 92.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-79
Status published
Products (1)
admidio/admidio < 4.0.12
Published Dec 07, 2021
Tracked Since Feb 18, 2026