HexBrain

U.S. Dept Of Defense · Report #884756

xmlrpc.php FILE IS enable which enables attacker to XSPA Brute-force and even Denial of Service(DOS), in https://████/xmlrpc.php

Validstatus
mediumseverity
10upvotes
25 Jun 2020disclosed

How it was found

Summary:

Hello team,

I have found a security vulnerability inhttps://███████/xmlrpc.php which lets attacker to:

1: XSPA or PortScan

2: Bruteforce

3:DOS and much more

Description:

Impact

Step-by-step Reproduction Instructions █████████ 1: Go to https://██████/xmlrpc.php to check if it is enabled or not.

Remediation: If the xmlrpc.php file is not being used, it should be disabled and removed completely to avoid any potential risks. Otherwise, it should at the very least be blocked from external access.

Reference: https://medium.com/@the.bilal.rizwan/wordpress-xmlrpc-php-common-vulnerabilites-how-to-exploit-them-d8d3c8600b32

https://medium.com/@protector47/how-to-hack-wordpress-website-via-xmlrpc-php-61c813fa3740

https://hackerone.com/reports/325040?fbclid=IwAR0qgG-Xfzfi8epruslb_aB91f-Nj8DitF0su8O9ibFKSFdvefJ8h_qWNyc

https://hackerone.com/reports/752073?fbclid=IwAR2i3AM4woHlr01MvyJR-Vu485XQg_gxb1doWmAhSBTfxPK9cUSRFxO2iFo

Impact

This method is also used for brute force attacks to stealing the admin credentials and other important credentials

This can be automated from multiple hosts and be used to cause a mass DDOS attack on the victim.

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original