High severity8.8NVD Advisory· Published Dec 7, 2021· Updated Jun 17, 2026
CVE-2021-43810
CVE-2021-43810
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.
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Affected products
3Patches
Vulnerability mechanics
References
4- github.com/Admidio/admidio/commit/c043267d362f7813543cc2785119bf3e3e54fe21nvdPatchThird Party Advisory
- github.com/Admidio/admidio/commit/fcb0609abc1d2f65bc1377866bd678e5d891404bnvdPatchThird Party Advisory
- github.com/Admidio/admidio/releases/tag/v4.0.12nvdPatchRelease NotesThird Party Advisory
- github.com/Admidio/admidio/security/advisories/GHSA-3qgf-qgc3-42hhnvdThird Party Advisory
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