From 6e7d449495fccb053f3cea8009b7c7c9b38a0a82 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Mon, 31 Jan 2022 02:33:06 +0000
Subject: Refuse to set an extension on the wrong type of extensible.

---
 src/modules/m_monitor.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/modules/m_monitor.cpp')

diff --git a/src/modules/m_monitor.cpp b/src/modules/m_monitor.cpp
index 19f2b66a6..ae1961479 100644
--- a/src/modules/m_monitor.cpp
+++ b/src/modules/m_monitor.cpp
@@ -245,6 +245,9 @@ private:
 
 void IRCv3::Monitor::Manager::ExtItem::FromInternal(Extensible* container, const std::string& value) noexcept
 {
+	if (container->extype != this->extype)
+		return;
+
 	irc::spacesepstream ss(value);
 	for (std::string nick; ss.GetToken(nick); )
 		manager.Watch(static_cast<LocalUser*>(container), nick, UINT_MAX);
-- 
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