diff --git a/src/wp-includes/kses.php b/src/wp-includes/kses.php
index 92f866b15daef..9cd0f50f22487 100644
--- a/src/wp-includes/kses.php
+++ b/src/wp-includes/kses.php
@@ -2638,6 +2638,8 @@ function kses_init() {
  * @since 6.6.0 Added support for `grid-column`, `grid-row`, and `container-type`.
  * @since 6.9.0 Added support for `white-space`.
  * @since 7.1.0 Extended gradient support to allow any single-level nested function.
+ *              Added support for transform functions, `clip-path` basic shapes,
+ *              and URLs in the SVG element reference properties.
  *
  * @param string $css        A string of CSS rules, decoded from an HTML `style` attribute.
  * @param string $deprecated Not used.
@@ -2906,6 +2908,16 @@ function safecss_filter_attr( $css, $deprecated = '' ) {
 
 		'list-style',
 		'list-style-image',
+
+		// SVG presentation properties that accept url() references.
+		'clip-path',
+		'fill',
+		'marker',
+		'marker-end',
+		'marker-mid',
+		'marker-start',
+		'mask',
+		'stroke',
 	);
 
 	/*
@@ -3004,7 +3016,18 @@ function safecss_filter_attr( $css, $deprecated = '' ) {
 			 * Nested functions and parentheses are also removed, so long as the parentheses are balanced.
 			 */
 			$css_test_string = preg_replace(
-				'/\b(?:var|calc|min|max|minmax|clamp|repeat)(\((?:[^()]|(?1))*\))/',
+				'/\b(?:'
+					// General purpose value functions.
+					. 'var|calc|min|max|minmax|clamp|repeat'
+					// Transform functions.
+					. '|matrix|matrix3d|perspective'
+					. '|rotate|rotate3d|rotateX|rotateY|rotateZ'
+					. '|scale|scale3d|scaleX|scaleY|scaleZ'
+					. '|skew|skewX|skewY'
+					. '|translate|translate3d|translateX|translateY|translateZ'
+					// Basic shape functions, as used by `clip-path`.
+					. '|circle|ellipse|inset|path|polygon|rect|shape|xywh'
+				. ')(\((?:[^()]|(?1))*\))/',
 				'',
 				$css_test_string
 			);
diff --git a/tests/phpunit/tests/kses.php b/tests/phpunit/tests/kses.php
index f560d88403524..b26bbd307d6aa 100644
--- a/tests/phpunit/tests/kses.php
+++ b/tests/phpunit/tests/kses.php
@@ -1224,6 +1224,7 @@ public function test_wp_kses_attr_no_attributes_allowed_with_false() {
 	 * @ticket 64414
 	 * @ticket 65457
 	 * @ticket 64974
+	 * @ticket 65832
 	 *
 	 * @dataProvider data_safecss_filter_attr
 	 *
@@ -1766,6 +1767,121 @@ public function data_safecss_filter_attr() {
 				'css'      => 'text-anchor: middle',
 				'expected' => 'text-anchor: middle',
 			),
+			// SVG transform functions (ticket #65832).
+			array(
+				'css'      => 'transform: rotate(45deg)',
+				'expected' => 'transform: rotate(45deg)',
+			),
+			array(
+				'css'      => 'transform: translate(10px, 20px)',
+				'expected' => 'transform: translate(10px, 20px)',
+			),
+			array(
+				'css'      => 'transform: scale(1.5)',
+				'expected' => 'transform: scale(1.5)',
+			),
+			array(
+				'css'      => 'transform: matrix(1, 0, 0, 1, 10, 20)',
+				'expected' => 'transform: matrix(1, 0, 0, 1, 10, 20)',
+			),
+			array(
+				'css'      => 'transform: skewX(30deg)',
+				'expected' => 'transform: skewX(30deg)',
+			),
+			array(
+				'css'      => 'transform: skewY(30deg)',
+				'expected' => 'transform: skewY(30deg)',
+			),
+			// Multiple transform functions chained.
+			array(
+				'css'      => 'transform: rotate(45deg) scale(1.5)',
+				'expected' => 'transform: rotate(45deg) scale(1.5)',
+			),
+			// transform: none is unchanged (regression control).
+			array(
+				'css'      => 'transform: none',
+				'expected' => 'transform: none',
+			),
+			// SVG clip-path shape functions (ticket #65832).
+			array(
+				'css'      => 'clip-path: inset(10px)',
+				'expected' => 'clip-path: inset(10px)',
+			),
+			array(
+				'css'      => 'clip-path: circle(50%)',
+				'expected' => 'clip-path: circle(50%)',
+			),
+			array(
+				'css'      => 'clip-path: ellipse(25% 40% at 50% 50%)',
+				'expected' => 'clip-path: ellipse(25% 40% at 50% 50%)',
+			),
+			array(
+				'css'      => 'clip-path: polygon(50% 0%, 100% 100%, 0% 100%)',
+				'expected' => 'clip-path: polygon(50% 0%, 100% 100%, 0% 100%)',
+			),
+			array(
+				'css'      => "clip-path: path('M 0 0 L 100 0 L 50 100 Z')",
+				'expected' => "clip-path: path('M 0 0 L 100 0 L 50 100 Z')",
+			),
+			array(
+				'css'      => 'clip-path: rect(0 100% 100% 0)',
+				'expected' => 'clip-path: rect(0 100% 100% 0)',
+			),
+			array(
+				'css'      => 'clip-path: xywh(0 0 100% 100% round 10px)',
+				'expected' => 'clip-path: xywh(0 0 100% 100% round 10px)',
+			),
+			array(
+				'css'      => 'clip-path: shape(from 0 0, line to 100% 0, line to 50% 100%, close)',
+				'expected' => 'clip-path: shape(from 0 0, line to 100% 0, line to 50% 100%, close)',
+			),
+			// Nested functions within a basic shape are allowed.
+			array(
+				'css'      => 'clip-path: inset(calc(10px + 1em) round var(--radius))',
+				'expected' => 'clip-path: inset(calc(10px + 1em) round var(--radius))',
+			),
+			// SVG url() references for allowlisted properties (ticket #65832).
+			array(
+				'css'      => 'clip-path: url(#myClipper)',
+				'expected' => 'clip-path: url(#myClipper)',
+			),
+			array(
+				'css'      => 'fill: url(#gradient1)',
+				'expected' => 'fill: url(#gradient1)',
+			),
+			array(
+				'css'      => 'mask: url(#myMask)',
+				'expected' => 'mask: url(#myMask)',
+			),
+			array(
+				'css'      => 'marker-start: url(#arrowStart)',
+				'expected' => 'marker-start: url(#arrowStart)',
+			),
+			array(
+				'css'      => 'marker-end: url(#arrowEnd)',
+				'expected' => 'marker-end: url(#arrowEnd)',
+			),
+			array(
+				'css'      => 'marker-mid: url(#arrowMid)',
+				'expected' => 'marker-mid: url(#arrowMid)',
+			),
+			array(
+				'css'      => 'marker: url(#marker1)',
+				'expected' => 'marker: url(#marker1)',
+			),
+			array(
+				'css'      => 'stroke: url(#strokeGradient)',
+				'expected' => 'stroke: url(#strokeGradient)',
+			),
+			// Disallow javascript: URLs in SVG url() references (security regression).
+			array(
+				'css'      => 'fill: url(javascript:alert(1))',
+				'expected' => '',
+			),
+			array(
+				'css'      => 'clip-path: url(javascript:alert(1))',
+				'expected' => '',
+			),
 		);
 	}