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CVE-2021-43810

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Date: December 7, 2021

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.

Language: PHP

Severity Score

Related Resources (6)

https://github.com/Admidio/admidio/commit/fcb0609abc1d2f65bc1377866bd678e5d891404b
https://nvd.nist.gov/vuln/detail/CVE-2021-43810
https://github.com/Admidio/admidio/releases/tag/v4.0.12
https://github.com/Admidio/admidio/commit/c043267d362f7813543cc2785119bf3e3e54fe21
https://github.com/Admidio/admidio/security/advisories/GHSA-3qgf-qgc3-42hh
https://www.mend.io/vulnerability-database/CVE-2021-43810

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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