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GLPI 9.1.2 fix inline images KB

First make the stored images visible in the GLPI output

In %glpiroot%/lib/htmlawed/htmlawed.php add ‘; src: data’ in line 47


If there where any previous inline images stored, these should now be visible in the KB. If you have images stored, but they still do not turn up, you might need to replace the ‘denied’ string stored in the glpi database. Use the SQL below to achieve this.

update glpi_knowbaseitems set answer = REPLACE(answer, 'denied:', '');
Second make inserting inline HTML images possible (within the WYSIWYG)
In %glpiroot%/inc/html.class.php file on rule 3917 add the paste plugin by adding the paste plugin and adding the paste option to the editor. Review and alter your code to reflect the snippet below:
$js = "tinyMCE.init({
language: '$language',
browser_spellcheck: true,
mode: 'exact',
elements: '$name',
relative_urls: false,
remove_script_host: false,
entity_encoding: 'raw',
menubar: false,
statusbar: false,
skin: 'light',
plugins: [
'table directionality searchreplace paste',
'tabfocus autoresize link image',
'code fullscreen textcolor colorpicker',
toolbar: 'styleselect | bold italic | forecolor backcolor | bullist numlist outdent indent | table link image | code fullscreen | paste',
paste_data_images: true,
After this you should again be able to past inline HTML images into GLPI KB articles.
TIP: Use the open source Greenshot screenshot tool that supports pasting inline HTML natively.