VULNERABILITY INTELLIGENCE

CVE-2021-42564

CVSS score5.4 MEDIUM
EPSS probability0.69%
CISA KEVNot currently listed
Published2021-11-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-601

Primary references