CVE-2021-43810

high-risk
Published 2021-12-07

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.

Do I need to act?

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72.9% chance of exploitation in next 30 days
EPSS score — higher than 27% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

54
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal