Vulnerability Database

290,020

Total vulnerabilities in the database

Magento LTS vulnerable to stored XSS in admin file form

Summary

OpenMage is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields.

Details

Mage_Adminhtml_Block_System_Config_Form_Field_File does not escape filename value in certain situations. Same as: https://nvd.nist.gov/vuln/detail/CVE-2024-20717

PoC

  1. Create empty file with this filename: <img src=x onerror=alert(1)>.crt
  2. Go to System > Configuration > Sales | Payment Methonds.
  3. Click Configure on PayPal Express Checkout.
  4. Choose API Certificate from dropdown API Authentication Methods.
  5. Choose the XSS-file and click Save Config.
  6. Profit, alerts "1" -> XSS.
  7. Reload, alerts "1" -> Stored XSS.

Impact

Affects admins that have access to any fileupload field in admin in core or custom implementations. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.

CVSS v3:

  • Severity: Unknown
  • Score:
  • AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
openmage / magento-lts 20.0.0 20.5.0
openmage / magento-lts - 19.5.3