diff --git a/i18n/en.json b/i18n/en.json
index ddbe41c..90aade8 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -6,5 +6,6 @@
 	},
 	"cookiewarning-info": "Cookies help us deliver our services. By using our services, you agree to our use of cookies.",
 	"cookiewarning-desc": "Provides a notice at the top of the page about cookies.",
-	"cookiewarning-moreinfo-label": "More information"
+	"cookiewarning-moreinfo-label": "More information",
+	"cookiewarning-more-link": "-"
 }
diff --git a/i18n/qqq.json b/i18n/qqq.json
index 691a8c3..5130213 100644
--- a/i18n/qqq.json
+++ b/i18n/qqq.json
@@ -6,5 +6,6 @@
 	},
 	"cookiewarning-info": "Information message for visitors of the wiki, informing them that this wiki uses cookies.",
 	"cookiewarning-desc": "{{desc|name=CookieWarning|url=https://www.mediawiki.org/wiki/Extension:CookieWarning}}",
-	"cookiewarning-moreinfo-label": "Label for the \"More information\" link in the cookiewarning information bar."
+	"cookiewarning-moreinfo-label": "Label for the \"More information\" link in the cookiewarning information bar.",
+	"cookiewarning-more-link": "{{notranslate}}\nUsed as an on-wiki way to edit the target of the more information link."
 }
diff --git a/includes/CookieWarning.hooks.php b/includes/CookieWarning.hooks.php
index 6826bd3..feef6ef 100644
--- a/includes/CookieWarning.hooks.php
+++ b/includes/CookieWarning.hooks.php
@@ -12,15 +12,13 @@ class CookieWarningHooks {
 	public static function onSkinTemplateOutputPageBeforeExec(
 		SkinTemplate &$sk, QuickTemplate &$tpl
 	) {
-		// Config instance of CookieWarning
-		$conf = ConfigFactory::getDefaultInstance()->makeConfig( 'cookiewarning' );
-		$moreLink = '';
+		$moreLink = self::getMoreLink();
 		// if a "more information" URL was configured, add a link to it in the cookiewarning
 		// information bar
-		if ( $conf->get( 'CookieWarningMoreUrl' ) ) {
+		if ( $moreLink ) {
 			$moreLink = Html::element(
 				'a',
-				array( 'href' => $conf->get( 'CookieWarningMoreUrl' ) ),
+				array( 'href' => $moreLink ),
 				$sk->msg( 'cookiewarning-moreinfo-label' )->text()
 			);
 		}
@@ -51,6 +49,32 @@ class CookieWarningHooks {
 		}
 	}
 
+	/**
+	 * Returns the target for the "More information" link of the cookie warning bar, if one is set.
+	 * The link can be set by either (checked in this order):
+	 *  - the configuration variable $wgCookieWarningMoreUrl
+	 *  - the interface message MediaWiki:Cookiewarning-more-link
+	 *  - the interface message MediaWiki:Cookie-policy-link (bc T145781)
+	 *
+	 * @return string|null The url or null if none set
+	 */
+	private static function getMoreLink() {
+		// Config instance of CookieWarning
+		$conf = ConfigFactory::getDefaultInstance()->makeConfig( 'cookiewarning' );
+		if ( $conf->get( 'CookieWarningMoreUrl' ) ) {
+			return $conf->get( 'CookieWarningMoreUrl' );
+		}
+		$cookieWarningMessage = wfMessage( 'cookiewarning-more-link' );
+		if ( $cookieWarningMessage->exists() && !$cookieWarningMessage->isDisabled() ) {
+			return $cookieWarningMessage->escaped();
+		}
+		$cookiePolicyMessage = wfMessage( 'cookie-policy-link' );
+		if ( $cookiePolicyMessage->exists() && !$cookiePolicyMessage->isDisabled() ) {
+			return $cookiePolicyMessage->escaped();
+		}
+		return null;
+	}
+
 	/**
 	 * BeforePageDisplay hook handler.
 	 *
diff --git a/tests/phpunit/includes/CookieWarning.hooksTest.php b/tests/phpunit/includes/CookieWarning.hooksTest.php
new file mode 100644
index 0000000..a5c3095
--- /dev/null
+++ b/tests/phpunit/includes/CookieWarning.hooksTest.php
@@ -0,0 +1,124 @@
+<?php
+/**
+ * @group Database
+ */
+class CookieWarningHooksTest extends MediaWikiLangTestCase {
+	protected function setUp() {
+		parent::setUp();
+		MessageCache::singleton()->enable();
+	}
+
+	/**
+	 * @dataProvider providerOnSkinTemplateOutputPageBeforeExec
+	 */
+	public function testOnSkinTemplateOutputPageBeforeExec( $enabled, $morelinkConfig,
+		$morelinkCookieWarningMsg, $morelinkCookiePolicyMsg, $expectedLink
+	) {
+		$this->setMwGlobals( array(
+			'wgCookieWarningEnabled' => $enabled,
+			'wgCookieWarningMoreUrl' => $morelinkConfig,
+		) );
+		if ( $morelinkCookieWarningMsg ) {
+			$title = Title::newFromText( 'cookiewarning-more-link', NS_MEDIAWIKI );
+			$wikiPage = WikiPage::factory( $title );
+			$wikiPage->doEditContent( new WikitextContent( $morelinkCookieWarningMsg ),
+				"CookieWarning test" );
+		}
+		if ( $morelinkCookiePolicyMsg ) {
+			$title = Title::newFromText( 'cookie-policy-link', NS_MEDIAWIKI );
+			$wikiPage = WikiPage::factory( $title );
+			$wikiPage->doEditContent( new WikitextContent( $morelinkCookiePolicyMsg ),
+				"CookieWarning test" );
+		}
+		$sk = new SkinTemplate();
+		$tpl = new CookieWarningTestTemplate();
+		CookieWarningHooks::onSkinTemplateOutputPageBeforeExec( $sk, $tpl );
+		$headElement = '';
+		if ( isset( $tpl->data['headelement'] ) ) {
+			$headElement = $tpl->data['headelement'];
+		}
+		if ( $expectedLink === false ) {
+			$expected = '';
+		} else {
+			// @codingStandardsIgnoreStart Generic.Files.LineLength
+			$expected =
+				str_replace( '$1', $expectedLink,
+					'<div class="mw-cookiewarning-container"><div class="mw-cookiewarning-text"><span>Cookies help us deliver our services. By using our services, you agree to our use of cookies.</span>$1<a class="mw-cookiewarning-dismiss">OK</a></div></div>' );
+			// @codingStandardsIgnoreEnd
+		}
+		$this->assertEquals( $expected, $headElement );
+	}
+
+	public function providerOnSkinTemplateOutputPageBeforeExec() {
+		return array(
+			array(
+				// $wgCookieWarningEnabled
+				true,
+				// $wgCookieWarningMoreUrl
+				'',
+				// MediaWiki:Cookiewarning-more-link
+				false,
+				// MediaWiki:Cookie-policy-link
+				false,
+				// expected cookie warning link (when string), nothing if false
+				'',
+			),
+			array(
+				false,
+				'',
+				false,
+				false,
+				false,
+			),
+			array(
+				true,
+				'http://google.de',
+				false,
+				false,
+				'<a href="http://google.de">More information</a>',
+			),
+			array(
+				true,
+				'',
+				'http://google.de',
+				false,
+				'<a href="http://google.de">More information</a>',
+			),
+			array(
+				true,
+				'',
+				false,
+				'http://google.de',
+				'<a href="http://google.de">More information</a>',
+			),
+			// the config should be the used, if set (no matter if the messages are used or not)
+			array(
+				true,
+				'http://google.de',
+				false,
+				'http://google123.de',
+				'<a href="http://google.de">More information</a>',
+			),
+			array(
+				true,
+				'http://google.de',
+				'http://google1234.de',
+				'http://google123.de',
+				'<a href="http://google.de">More information</a>',
+			),
+			array(
+				true,
+				'',
+				'http://google.de',
+				'http://google123.de',
+				'<a href="http://google.de">More information</a>',
+			),
+		);
+	}
+}
+
+class CookieWarningTestTemplate extends BaseTemplate {
+	public function execute() {
+		return;
+	}
+}
\ No newline at end of file