Prevent images being processed as icon names

See https://www.woltlab.com/community/thread/302272-mitgelieferte-grafik-als-editoricon-f%C3%BCr-einen-bbcode-wird-nicht-als-solche-erkan/

diff --git a/wcfsetup/install/files/lib/system/package/plugin/BBCodePackageInstallationPlugin.class.php b/wcfsetup/install/files/lib/system/package/plugin/BBCodePackageInstallationPlugin.class.php
index 4fc18b315393b1bd5dceea91197a28788823ad4c..7784e1e90488a26f54a7a3ca90f0995995c01f6f 100644 (file)
--- a/wcfsetup/install/files/lib/system/package/plugin/BBCodePackageInstallationPlugin.class.php
+++ b/wcfsetup/install/files/lib/system/package/plugin/BBCodePackageInstallationPlugin.class.php
@@ -103,7 +103,7 @@ class BBCodePackageInstallationPlugin extends AbstractXMLPackageInstallationPlug
                     $nodeValue[$attributeNo][$attributeValue->tagName] = $attributeValue->nodeValue;
                 }
             }
-        } elseif ($element->tagName === 'wysiwygicon') {
+        } elseif ($element->tagName === 'wysiwygicon' && !\str_contains($element->nodeValue, '.')) {
             $solid = $element->getAttribute('solid');
             $nodeValue = \sprintf(
                 "%s;%s",