Wordfence causing 500 error in Customize area

  • Resolved ai570

    (@ai570)


    2 months, 2 weeks ago

    Hi all,

    I’ve found that when I have the Wordfence plugin activated, navigating to?Appearance > Customize?in my site’s?dashboard consistently directs me to an HTTP ERROR 500 page. It is definitely tied to Wordfence; I have tested this by deactivating all plugins and activating them one at a time.

    The website on which I am using Wordfence is an intranet for confidential employee communications and is behind a firewall, so not useful to share a link here, unfortunately. Let me know if there is anything I can do on my end to provide further information that would be useful for troubleshooting; thanks for any help you can provide.

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  • Plugin Support wfpeter

    (@wfpeter)

    Hi @ai570, sorry to see you’re having trouble with accessing this page.

    When you were deactivating and reactivating plugins, did you run Wordfence on its own and attempt to access Appearance > Customize? The reason I ask is because we do adhere to documented WordPress development standards, so often another plugin will be conflicting with Wordfence when this kind of problem occurs. If you’d already reactivated any plugins before Wordfence, the problem would always seemingly be with our plugin.

    If the page still doesn’t work when Wordfence is the only plugin enabled, a 500 error could be caused by a false-positive block or fatal error. Learning Mode or allowlisting from the Live Traffic page could solve any erroneous blocks that are being made when trying to access the Customize page. Both methods are highlighted here:?https://www.wordfence.com/help/firewall/learning-mode/

    Failing that, you (or your host) could find out what the fatal error causing the Error 500 is from your server/PHP logs. If you paste it here, we could see the potential cause from a file/function that Wordfence is trying to use.

    Many thanks,
    Peter.

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