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Advisories

OpenMage magento-lts before 20.18.2 Reflected XSS via Error Pages SCRIPT_NAME

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Severity
low
Date
Affecting

  • magento-lts >= 0, < 20.18.2

  • magento-lts >= 21.0.0-beta1, < 21.0.0-beta3

CWE
  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS
2.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Credit
justlife4x4, 0xElkot, colinmollenhour
Description
OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a reflected cross-site scripting vulnerability in its error pages, which print SCRIPT_NAME-derived URLs built by errors/processor.php without escaping. Unauthenticated attackers can craft links that trigger uncaught exceptions on servers deriving SCRIPT_NAME from the request path, executing script in the storefront origin within victims' browsers.

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