diff --git a/utils/markdown/index.test.js b/utils/markdown/index.test.js
index 6adca2e68e64..a309968b077a 100644
--- a/utils/markdown/index.test.js
+++ b/utils/markdown/index.test.js
@@ -144,6 +144,12 @@ this is long text this is long text this is long text this is long text this is
         expect(output).toContain('<a class="theme markdown__link" href="http://localhost/example" rel="noreferrer" data-link="/example">internal_link</a>');
     });
 
+    test('<a> should contain target=_blank for internal links that live under /plugins', () => {
+        const output = format('[internal_link](http://localhost/plugins/example)', {siteURL: 'http://localhost'});
+
+        expect(output).toContain('<a class="theme markdown__link" href="http://localhost/plugins/example" rel="noreferrer" target="_blank">internal_link</a>');
+    });
+
     test('<a> should not contain target=_blank for pl|channels|messages links', () => {
         const pl = format('[thread](/reiciendis-0/pl/b3hrs3brjjn7fk4kge3xmeuffc))', {siteURL: 'http://localhost'});
         expect(pl).toContain('<a class="theme markdown__link" href="/reiciendis-0/pl/b3hrs3brjjn7fk4kge3xmeuffc" rel="noreferrer" data-link="/reiciendis-0/pl/b3hrs3brjjn7fk4kge3xmeuffc">thread</a>');
@@ -153,5 +159,8 @@ this is long text this is long text this is long text this is long text this is
 
         const messages = format('[thread](/reiciendis-0/messages/b3hrs3brjjn7fk4kge3xmeuffc))', {siteURL: 'http://localhost'});
         expect(messages).toContain('<a class="theme markdown__link" href="/reiciendis-0/messages/b3hrs3brjjn7fk4kge3xmeuffc" rel="noreferrer" data-link="/reiciendis-0/messages/b3hrs3brjjn7fk4kge3xmeuffc">thread</a>');
+
+        const plugin = format('[plugin](/reiciendis-0/plugins/example))', {siteURL: 'http://localhost'});
+        expect(plugin).toContain('<a class="theme markdown__link" href="/reiciendis-0/plugins/example" rel="noreferrer" data-link="/reiciendis-0/plugins/example">plugin</a>');
     });
 });
diff --git a/utils/markdown/renderer.tsx b/utils/markdown/renderer.tsx
index ee982115380f..dce48c27741c 100644
--- a/utils/markdown/renderer.tsx
+++ b/utils/markdown/renderer.tsx
@@ -207,14 +207,17 @@ export default class Renderer extends marked.Renderer {
 
         output += `" href="${outHref}" rel="noreferrer"`;
 
-        // Any link that begins with siteURL should be opened inside the app
-        let internalLink = outHref.startsWith(this.formattingOptions.siteURL || '');
+        const pluginURL = `${this.formattingOptions.siteURL}/plugins`;
+
+        // Any link that begins with siteURL should be opened inside the app, except when rooted
+        // at /plugins, which is logically "outside the app" despite being hosted by a plugin.
+        let internalLink = outHref.startsWith(this.formattingOptions.siteURL || '') && (!outHref.startsWith(pluginURL));
 
         // special case for team invite links, channel links, and permalinks that are inside the app
         const pattern = new RegExp(
             '^(' +
             TextFormatting.escapeRegex(this.formattingOptions.siteURL) +
-            ')?\\/(?:signup_user_complete|admin_console|[^\\/]+\\/(?:pl|channels|messages))\\/',
+            ')?\\/(?:signup_user_complete|admin_console|[^\\/]+\\/(?:pl|channels|messages|plugins))\\/',
         );
         internalLink = internalLink || pattern.test(outHref);