CVE-2021-43810highCWE-79

Cross-site Scripting (XSS) when redirect an url

36Vexday Risk Score

Patch soon. It has a working public exploit.

ssvc Attendcvss 8.8epss 5.8%

exploitation probability

5.8%top 8% of all CVEs

observed exploitation

nono source reports it

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Admidio · admidio

References

https://github.com/Admidio/admidio/commit/c043267d362f7813543cc2785119bf3e3e54fe21 https://github.com/Admidio/admidio/commit/fcb0609abc1d2f65bc1377866bd678e5d891404b https://github.com/Admidio/admidio/releases/tag/v4.0.12 https://github.com/Admidio/admidio/security/advisories/GHSA-3qgf-qgc3-42hh