diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4cc629329..fb15af68b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 
 ### Added
 
+- new values to `set-local-storage-item` and `set-session-storage-item` scriptlets:
+  `accept`, `accepted`, `reject`, `rejected` [#429]
 - ability to log original and modified content in `trusted-replace-node-text`, `xml-prune`, `m3u-prune`,
   `trusted-replace-fetch-response` and `trusted-replace-xhr-response` scriptlets [#411]
 
@@ -19,6 +21,7 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 - Log message format [CoreLibs#180]
 
 [Unreleased]: https://github.com/AdguardTeam/Scriptlets/compare/v1.11.1...HEAD
+[#429]: https://github.com/AdguardTeam/Scriptlets/issues/429
 [#411]: https://github.com/AdguardTeam/Scriptlets/issues/411
 [CoreLibs#180]: https://github.com/AdguardTeam/CoreLibs/issues/180
 
diff --git a/src/helpers/storage-utils.ts b/src/helpers/storage-utils.ts
index 017538d71..d30cdd0cb 100644
--- a/src/helpers/storage-utils.ts
+++ b/src/helpers/storage-utils.ts
@@ -30,9 +30,11 @@ export const setStorageItem = (source: Source, storage: Storage, key: string, va
  */
 export const removeStorageItem = (source: Source, storage: Storage, key: string): void => {
     try {
-        if (key.startsWith('/')
-        && (key.endsWith('/') || key.endsWith('/i'))
-        && isValidStrPattern(key)) {
+        if (
+            key.startsWith('/')
+            && (key.endsWith('/') || key.endsWith('/i'))
+            && isValidStrPattern(key)
+        ) {
             const regExpKey = toRegExp(key);
             const storageKeys = Object.keys(storage);
             storageKeys.forEach((storageKey) => {
@@ -70,6 +72,10 @@ export const getLimitedStorageItemValue = (value: string): StorageItemValue | nu
         'no',
         'on',
         'off',
+        'accept',
+        'accepted',
+        'reject',
+        'rejected',
     ]);
 
     let validValue;
diff --git a/src/scriptlets/set-local-storage-item.js b/src/scriptlets/set-local-storage-item.js
index b788cfca8..8ac45217d 100644
--- a/src/scriptlets/set-local-storage-item.js
+++ b/src/scriptlets/set-local-storage-item.js
@@ -46,6 +46,10 @@ import {
  *         - `no`
  *         - `on`
  *         - `off`
+ *         - `accept`
+ *         - `accepted`
+ *         - `reject`
+ *         - `rejected`
  *         - `$remove$` — remove specific item from localStorage
  *
  * ### Examples
diff --git a/src/scriptlets/set-session-storage-item.js b/src/scriptlets/set-session-storage-item.js
index 1c6f65892..546ee79cf 100644
--- a/src/scriptlets/set-session-storage-item.js
+++ b/src/scriptlets/set-session-storage-item.js
@@ -46,6 +46,10 @@ import {
  *         - `no`
  *         - `on`
  *         - `off`
+ *         - `accept`
+ *         - `accepted`
+ *         - `reject`
+ *         - `rejected`
  *         - `$remove$` — remove specific item from sessionStorage
  *
  * ### Examples
diff --git a/tests/scriptlets/set-local-storage-item.test.js b/tests/scriptlets/set-local-storage-item.test.js
index 151e1b594..cd2d797bb 100644
--- a/tests/scriptlets/set-local-storage-item.test.js
+++ b/tests/scriptlets/set-local-storage-item.test.js
@@ -135,6 +135,34 @@ if (isSafariBrowser()) {
         assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
         assert.strictEqual(window.localStorage.getItem(iName), 'off', 'localStorage item has been set');
         clearStorageItem(iName);
+
+        iName = '__test-item_accept';
+        iValue = 'accept';
+        runScriptlet(name, [iName, iValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+        assert.strictEqual(window.localStorage.getItem(iName), 'accept', 'localStorage item has been set');
+        clearStorageItem(iName);
+
+        iName = '__test-item_accepted';
+        iValue = 'accepted';
+        runScriptlet(name, [iName, iValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+        assert.strictEqual(window.localStorage.getItem(iName), 'accepted', 'localStorage item has been set');
+        clearStorageItem(iName);
+
+        iName = '__test-item_reject';
+        iValue = 'reject';
+        runScriptlet(name, [iName, iValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+        assert.strictEqual(window.localStorage.getItem(iName), 'reject', 'localStorage item has been set');
+        clearStorageItem(iName);
+
+        iName = '__test-item_rejected';
+        iValue = 'rejected';
+        runScriptlet(name, [iName, iValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+        assert.strictEqual(window.localStorage.getItem(iName), 'rejected', 'localStorage item has been set');
+        clearStorageItem(iName);
     });
 
     test('Set localStorage key with invalid value', (assert) => {
diff --git a/tests/scriptlets/set-session-storage-item.test.js b/tests/scriptlets/set-session-storage-item.test.js
index 244de4f45..48d172644 100644
--- a/tests/scriptlets/set-session-storage-item.test.js
+++ b/tests/scriptlets/set-session-storage-item.test.js
@@ -135,6 +135,34 @@ if (isSafariBrowser()) {
         assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
         assert.strictEqual(window.sessionStorage.getItem(cName), 'off', 'sessionStorage item has been set');
         clearStorageItem(cName);
+
+        cName = '__test-item_accept';
+        cValue = 'accept';
+        runScriptlet(name, [cName, cValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+        assert.strictEqual(window.sessionStorage.getItem(cName), 'accept', 'sessionStorage item has been set');
+        clearStorageItem(cName);
+
+        cName = '__test-item_accepted';
+        cValue = 'accepted';
+        runScriptlet(name, [cName, cValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+        assert.strictEqual(window.sessionStorage.getItem(cName), 'accepted', 'sessionStorage item has been set');
+        clearStorageItem(cName);
+
+        cName = '__test-item_reject';
+        cValue = 'reject';
+        runScriptlet(name, [cName, cValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+        assert.strictEqual(window.sessionStorage.getItem(cName), 'reject', 'sessionStorage item has been set');
+        clearStorageItem(cName);
+
+        cName = '__test-item_rejected';
+        cValue = 'rejected';
+        runScriptlet(name, [cName, cValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+        assert.strictEqual(window.sessionStorage.getItem(cName), 'rejected', 'sessionStorage item has been set');
+        clearStorageItem(cName);
     });
 
     test('Set sessionStorage key with invalid value', (assert) => {