XSS in Admidio

CVE-2021-43810

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.709 (98.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-43810?
CVE-2021-43810 is a high-severity vulnerability in Admidio, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2021-12-07.
How severe is CVE-2021-43810?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-43810 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.