From d4feeb6c6dec7ef28c38221feb41fcc9dc1f5c9a Mon Sep 17 00:00:00 2001
From: navnitan-7 <snavnitan@gmail.com>
Date: Tue, 31 Mar 2026 02:07:33 +0530
Subject: [PATCH] Security: backport jQuery ajax XSS mitigation (CVE-2015-9251)

Mirror upstream jQuery gh-2432 fix in vendored ajaxConvert: skip automatic
script conversion on cross-domain responses unless dataType was explicit.

Refs: https://github.com/jquery/jquery/commit/2546bb35b89413da5198d54a4539e4ed0aaf6e49
Made-with: Cursor
---
 static/jquery/jquery.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/static/jquery/jquery.js b/static/jquery/jquery.js
index 7fc60fca7..cba0c18c1 100644
--- a/static/jquery/jquery.js
+++ b/static/jquery/jquery.js
@@ -9293,6 +9293,11 @@ function ajaxConvert( s, response, jqXHR, isSuccess ) {
 			// Convert response if prev dataType is non-auto and differs from current
 			} else if ( prev !== "*" && prev !== current ) {
 
+				// Mitigate possible XSS vulnerability (gh-2432)
+				if ( s.crossDomain && current === "script" ) {
+					continue;
+				}
+
 				// Seek a direct converter
 				conv = converters[ prev + " " + current ] || converters[ "* " + current ];