openmage/magento-lts · Security
Magento's X-Original-Url header can expose admin url
- GHSA ID
- GHSA-jg68-vhv3-9r8f
- CVE ID
- CVE-2026-25523
- Severity
- medium
- Published
- Updated
- CVSS
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS v3
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Description
Impact
The admin url can be discovered without prior knowledge of it's location by exploiting the X-Original-Url header on some configurations.
Patches
The bug comes from the Zend library and is patche by unsetting the header in the bootstrap process.
Workarounds
Unset the X-Original-Url header in the web server configuration.
References
The activation of these headers is coming from the Zend_Controller module. It appears this has been known to some degree since 2016 - https://peterocallaghan.co.uk/2016/12/magento-poisoning-cache/ (dead link now..)
Credit
Anees Hyder ( @anees0xdev ) via HackerOne https://hackerone.com/anees0x_dev/hacktivity
CWEs
- CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor