THREATPORT/VULNERABILITY/CVE-2021-43810
HIGH SEVERITY

CVE-2021-43810

Admidio vulnerability

CVSS
8.8
EPSS
5.8%
EPSS pct
92th
Exploited
No known
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.
Affected vendor
Admidio
Affected product
Admidio
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-79 — Cross-Site Scripting (XSS)
Published
2021-12-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2021-43810

  • Confirm whether Admidio Admidio is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-43810.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-43810

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-43810 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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