CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionNVD
Magento Long Term Support (LTS) is an unofficial, community-driven project provides an alternative to the Magento Community Edition e-commerce platform with a high level of backward compatibility. Prior to version 20.17.0, the Dataflow module in OpenMage LTS uses a weak blacklist filter (str_replace('../', '', $input)) to prevent path traversal attacks. This filter can be bypassed using patterns like ..././ or ....//, which after the replacement still result in ../. An authenticated administrator can exploit this to read arbitrary files from the server filesystem. Version 20.17.0 patches the issue.
AnalysisAI
OpenMage LTS Dataflow module prior to version 20.17.0 allows authenticated administrators to read arbitrary files via a bypassable path traversal filter that uses simple string replacement (str_replace('../', '', $input)). Attackers can circumvent the blacklist by using nested patterns like ..././ or ....// which resolve to valid ../ sequences after filtering. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-23891
GHSA-6vqf-6fhm-7rc6