[SOLVED] Plesk 12.5 - Wordpress module: PHP fatal error

[Alban Staehli]

Hi,

In Plesk 12.5 (centos 7 / Update 12), I've the following error message when I try to visualize a wordpress install that was initially not done through the application installer:

PHP Fatal error: Call to undefined function get_option() in /var/www/vhosts/domain.tld/httpdocs/wp-content/plugins/xcalendar/xcalendar.php on line 266

It used to work fine, I was even able to sync the installation and execute some security patches through Plesk.

Any idea on what to do to avoid the error message?
Thx.

 

[abdi]

Hello Alban,

I don't think this is a Plesk related problem ..This must be entirely a WP issue ..
However, usually that error signifies missing or un-called / included files.

A bit of Googling suggests that you re-upload to (wp-includes) some few files from a clean WP installation such as:

• functions.php
• functions.wp-scripts.php
• functions.wp-styles.php

I guess what you only need to upload is the second file, but don't experiment, upload them all and let us know if that resolves the problem!

 

[UFHH01]

Hi Alban Staehli,

you should investigate your issue more closely, because your described issue points to a wordpress hack. I recommend to de-aktivate the fake plugin, if possible over the dashboard, rename the folder "/var/www/vhosts/domain.tld/httpdocs/wp-content/plugins/xcalendar" to "/var/www/vhosts/domain.tld/httpdocs/wp-content/plugins/.inactive_xcalendar" and consider to post the content of the file "xcalendar.php" and all other files in the folder "/var/www/vhosts/domain.tld/httpdocs/wp-content/plugins/.inactive_xcalendar" for further investigations and post as well a list of your currently installed plugins, please.

For further investigations, please consider as well to inspect previously added or changed files in the folder "/var/www/vhosts/domain.tld/httpdocs/", because there might be more left-overs from the fake plugin, than the ones in the folder "xcalendar" ( now renamed to ".inactive_xcalendar" ).

 

[Alban Staehli]

Thx, found my way to clean this installation of WP through this post:
http://www.ageneralblog.com/wordpress/2015/07/22/wordpress-hacked-with-sophisticated-hack/
All good now with the plesk module for this particular installation.