From 986a201e6c9f4d6c0171c94ba088a8e82d0ad70b Mon Sep 17 00:00:00 2001
From: Raquel Ortega <raquel.ortega@moodle.com>
Date: Sun, 18 Jan 2026 16:34:15 +0100
Subject: [PATCH] MDL-87289 mod_forum: Disable mediaplugin filter in emails

---
 mod/forum/classes/output/email/renderer.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mod/forum/classes/output/email/renderer.php b/mod/forum/classes/output/email/renderer.php
index fa5f0121cd5..057978b8328 100644
--- a/mod/forum/classes/output/email/renderer.php
+++ b/mod/forum/classes/output/email/renderer.php
@@ -69,6 +69,11 @@ class renderer extends \mod_forum_renderer {
         $options = new \stdClass();
         $options->para = true;
         $options->context = $context;
+        $options->filter = false;   // Disable auto-filters to apply them manually below.
+
+        // Apply filters, excluding those incompatible with email output.
+        $skipfilters = ['mediaplugin'];
+        $message = \core_filters\filter_manager::instance()->filter_text($message, $context, [], $skipfilters);
         return format_text($message, $post->messageformat, $options);
     }