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[resolved] 403 error when going to plugin install (5 posts)

  1. mhenschel
    Member
    Posted 1 year ago #

    Hi,
    I think that after the recent plugin update I get a 403 error when going to "Install plugin".

    Forbidden

    You don't have permission to access /xxx/wp-admin/plugin-install.php on this server.

    I get this on all of my wordpress installs.
    Michael

    https://wordpress.org/plugins/all-in-one-wp-security-and-firewall/

  2. mhenschel
    Member
    Posted 1 year ago #

    I have to correct myself. I only get this error when searching for plugins with the words "Email Encoder Bundle".
    Searching for just "email" or "email bundle" works. Very strange.

    Michael

  3. mhenschel
    Member
    Posted 1 year ago #

    And to be even more precise, I get this error when enabling the "Additional Firewall rules".

  4. mhenschel
    Member
    Posted 1 year ago #

    Funny, I can find the plugin as mentioned above, but I can't install it. It says:

    Forbidden
    You don't have permission to access /wp-admin/update.php on this server.

    I have now come to the bottom of it. It's the "Bad Query Strings". When this is enabled, the plugin won't install, activate, yes you can't even search it. Is this strange or can this be explained?

  5. wpsolutions
    Member
    Plugin Author

    Posted 1 year ago #

    Is this strange or can this be explained?

    No this is not strange and is easily explained because the word "encode" appears in the query params and is thus causing the bad query rules to block the request.

    As we've mentioned before, this is why we have deliberately made our plugin flexible by creating a number of firewall rules which can be enabled/disabled to suit different sites and setups. Sometimes some of these rules may affect functionality (such as in your case) but you can always deactivate that rule if needed.

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