• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Horde patch

E

evilrabbi

Guest
The version of horde that is shipped with plesk is vulnerable to remote execution in the help module. This can lead to unauthorized people having access to your server. I'm sure swsoft will issue a patch, but untill then you can use the patch I wrote.

Add the following lines of code to the index.php file located in
/usr/share/psa-horde/services/help.

add it after

$topic = Util::getFormData('topic');

and before

if ($module == 'admin') {

After a patch is issued by plesk remove the code then update.

$good_module = $module;
$bad_chars = array
(
"';'",
"'\''",
);
$replace = array
(
" "
);
$good_module = preg_replace ($search, $replace, $good_module);

$module = $good_module;

cheers,
evilrabbi < evilrabbi <at> gmail [dot] com>
 
The above code didn't exactly work with me.
I changed it to this, which worked: (I did a few tests to make sure it did.)

Code:
$good_module = $module;
$bad_chars = array("';'","''",);
$replace = array(" ");
$good_module = preg_replace ($bad_chars, $replace, $good_module);
 
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