Support » Fixing WordPress » Possible WordPress/plugin Vulnerability: wp-loadings.php added on root dir

  • Recentry we discovered that our site was hacked. We are unaware which exploit is used in order to write files to our server root directory. I am starting this thread in order to find other people which had the same issue, and gain further insight.

    Follows a basic description of the hack:

    A file is uploaded to the root installation folder (wp-loadings.php) Theme file 404.php is modified. Hack takes place when a googlebot is served a 404 page, a third party page is served instead (from modified 404.php), to add backlinks we think.

    Apart from that, the frontend does not seem affected.

    A google search, shows that it has affected many other wordpress installations. https://www.google.gr/webhp?q=inurl%3Awp-loadings.php

    All google links, lead to a domain like: [removed]

    wp-loadings.php source
    [removed]

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  • Moderator James Huff

    (@macmanx)

    Volunteer Moderator

    Having a file uploaded to the server is really not a unique hack. There are many ways to get it there, usually by either getting your hosting account details, compromising any other account on the server if it’s secured poorly, or pre-existing malware anywhere on the server.

    Remain calm and carefully follow this guide. When you’re done, you may want to implement some (if not all) of the recommended security measures.

    If you absolutely do feel that WordPress itself was compromised, this is the proper way to report it: https://make.wordpress.org/core/handbook/testing/reporting-security-vulnerabilities/

    For the safety of the millions using WordPress, please don’t discuss or disclose security details in public.

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