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4.8

CheckSec Canopy before 3.5.2 allows XSS attacks against the login page via the LOGIN_PAGE_DISCLAIMER parameter.

CVE-2021-34815 · published 5 years ago
Summary

CheckSec Canopy before 3.5.2 allows XSS attacks against the login page via the LOGIN_PAGE_DISCLAIMER parameter.

What to do
  • Update checksec canopy to version 3.5.2 or later.
Affected software
VendorProductAffected versions
checksec canopy < 3.5.2
cpe:2.3:a:checksec:canopy:*:*:*:*:*:*:*:*
Original advisory text
CheckSec Canopy before 3.5.2 allows XSS attacks against the login page via the LOGIN_PAGE_DISCLAIMER parameter.
CheckSec Canopy before 3.5.2 allows XSS attacks against the login page via the LOGIN_PAGE_DISCLAIMER parameter.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
4.8 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published18 Jun 2021
Updated31 Oct 2026
First seen29 Sep 2026
Sources
CVE-2021-34815 · NVD
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