Version 4.1.19

system/3rd_party/HTMLPurifier/HTMLPurifier/CSSDefinition.php

@@ -350,8 +350,7 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
         $this->info['scrollbar-highlight-color'] = new HTMLPurifier_AttrDef_CSS_Color();
         $this->info['scrollbar-shadow-color'] = new HTMLPurifier_AttrDef_CSS_Color();
 
-        // technically not proprietary, but CSS3, and no one supports it
-        $this->info['opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
+        // vendor specific prefixes of opacity
         $this->info['-moz-opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
         $this->info['-khtml-opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
 
@@ -371,6 +370,19 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
         );
         $this->info['page-break-inside'] = new HTMLPurifier_AttrDef_Enum(array('auto', 'avoid'));
 
+        $border_radius = new HTMLPurifier_AttrDef_CSS_Composite(
+            array(
+                new HTMLPurifier_AttrDef_CSS_Percentage(true), // disallow negative
+                new HTMLPurifier_AttrDef_CSS_Length('0') // disallow negative
+            ));
+
+        $this->info['border-top-left-radius'] =
+        $this->info['border-top-right-radius'] =
+        $this->info['border-bottom-right-radius'] =
+        $this->info['border-bottom-left-radius'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_radius, 2);
+        // TODO: support SLASH syntax
+        $this->info['border-radius'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_radius, 4);
+
     }
 
     /**
@@ -404,6 +416,7 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
             array('visible', 'hidden', 'collapse')
         );
         $this->info['overflow'] = new HTMLPurifier_AttrDef_Enum(array('visible', 'hidden', 'auto', 'scroll'));
+        $this->info['opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
     }
 
     /**