Medium severity5.4NVD Advisory· Published Nov 30, 2021· Updated Jun 17, 2026
CVE-2021-42564
CVE-2021-42564
Description
An open redirect through HTML injection in confidential messages in Cryptshare before 5.1.0 allows remote attackers (with permission to provide confidential messages via Cryptshare) to redirect targeted victims to any URL via the '<meta http-equiv="refresh"' substring in the editor parameter.
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Affected products
3- Cryptshare/Cryptsharedescription
- Range: <5.1.0
Patches
Vulnerability mechanics
References
1- www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-057.txtnvdExploitThird Party Advisory
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