diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b38adbd..53938e3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+
+### Fixed
+
+- Fix retrieval of dropdown and multiline values containing special characters
+
 ## [2.14.4] - 2025-11-25
 
 ### Fixed
diff --git a/composer.json b/composer.json
index 5a548305..7748d9a9 100644
--- a/composer.json
+++ b/composer.json
@@ -4,10 +4,6 @@
     },
     "require-dev": {
         "glpi-project/tools": "^0.8.0",
-        "php-parallel-lint/php-parallel-lint": "^1.4",
-        "phpstan/extension-installer": "^1.4",
-        "phpstan/phpstan": "^2.1",
-        "phpstan/phpstan-deprecation-rules": "^2.0",
         "squizlabs/php_codesniffer": "^3.13"
     },
     "config": {
@@ -15,9 +11,6 @@
         "platform": {
             "php": "7.4.0"
         },
-        "sort-packages": true,
-        "allow-plugins": {
-            "phpstan/extension-installer": true
-        }
+        "sort-packages": true
     }
 }
diff --git a/composer.lock b/composer.lock
index 06d19998..f018111f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,21 +4,21 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ac2ca37e6f10114e1e1600637e05911d",
+    "content-hash": "aead1dade2f27558cb563923820bcea9",
     "packages": [],
     "packages-dev": [
         {
             "name": "glpi-project/tools",
-            "version": "0.8.0",
+            "version": "0.8.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/glpi-project/tools.git",
-                "reference": "7c2dcec105ed3427183bdfd382d785363aade436"
+                "reference": "8ea2a7d4702a858f4b0360ba7d4f1841a5e77026"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/glpi-project/tools/zipball/7c2dcec105ed3427183bdfd382d785363aade436",
-                "reference": "7c2dcec105ed3427183bdfd382d785363aade436",
+                "url": "https://api.github.com/repos/glpi-project/tools/zipball/8ea2a7d4702a858f4b0360ba7d4f1841a5e77026",
+                "reference": "8ea2a7d4702a858f4b0360ba7d4f1841a5e77026",
                 "shasum": ""
             },
             "require": {
@@ -61,221 +61,7 @@
                 "issues": "https://github.com/glpi-project/tools/issues",
                 "source": "https://github.com/glpi-project/tools"
             },
-            "time": "2025-08-26T10:18:38+00:00"
-        },
-        {
-            "name": "php-parallel-lint/php-parallel-lint",
-            "version": "v1.4.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-parallel-lint/PHP-Parallel-Lint.git",
-                "reference": "6db563514f27e19595a19f45a4bf757b6401194e"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-parallel-lint/PHP-Parallel-Lint/zipball/6db563514f27e19595a19f45a4bf757b6401194e",
-                "reference": "6db563514f27e19595a19f45a4bf757b6401194e",
-                "shasum": ""
-            },
-            "require": {
-                "ext-json": "*",
-                "php": ">=5.3.0"
-            },
-            "replace": {
-                "grogy/php-parallel-lint": "*",
-                "jakub-onderka/php-parallel-lint": "*"
-            },
-            "require-dev": {
-                "nette/tester": "^1.3 || ^2.0",
-                "php-parallel-lint/php-console-highlighter": "0.* || ^1.0",
-                "squizlabs/php_codesniffer": "^3.6"
-            },
-            "suggest": {
-                "php-parallel-lint/php-console-highlighter": "Highlight syntax in code snippet"
-            },
-            "bin": [
-                "parallel-lint"
-            ],
-            "type": "library",
-            "autoload": {
-                "classmap": [
-                    "./src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-2-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Jakub Onderka",
-                    "email": "ahoj@jakubonderka.cz"
-                }
-            ],
-            "description": "This tool checks the syntax of PHP files about 20x faster than serial check.",
-            "homepage": "https://github.com/php-parallel-lint/PHP-Parallel-Lint",
-            "keywords": [
-                "lint",
-                "static analysis"
-            ],
-            "support": {
-                "issues": "https://github.com/php-parallel-lint/PHP-Parallel-Lint/issues",
-                "source": "https://github.com/php-parallel-lint/PHP-Parallel-Lint/tree/v1.4.0"
-            },
-            "time": "2024-03-27T12:14:49+00:00"
-        },
-        {
-            "name": "phpstan/extension-installer",
-            "version": "1.4.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/phpstan/extension-installer.git",
-                "reference": "85e90b3942d06b2326fba0403ec24fe912372936"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/85e90b3942d06b2326fba0403ec24fe912372936",
-                "reference": "85e90b3942d06b2326fba0403ec24fe912372936",
-                "shasum": ""
-            },
-            "require": {
-                "composer-plugin-api": "^2.0",
-                "php": "^7.2 || ^8.0",
-                "phpstan/phpstan": "^1.9.0 || ^2.0"
-            },
-            "require-dev": {
-                "composer/composer": "^2.0",
-                "php-parallel-lint/php-parallel-lint": "^1.2.0",
-                "phpstan/phpstan-strict-rules": "^0.11 || ^0.12 || ^1.0"
-            },
-            "type": "composer-plugin",
-            "extra": {
-                "class": "PHPStan\\ExtensionInstaller\\Plugin"
-            },
-            "autoload": {
-                "psr-4": {
-                    "PHPStan\\ExtensionInstaller\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "Composer plugin for automatic installation of PHPStan extensions",
-            "keywords": [
-                "dev",
-                "static analysis"
-            ],
-            "support": {
-                "issues": "https://github.com/phpstan/extension-installer/issues",
-                "source": "https://github.com/phpstan/extension-installer/tree/1.4.3"
-            },
-            "time": "2024-09-04T20:21:43+00:00"
-        },
-        {
-            "name": "phpstan/phpstan",
-            "version": "2.1.22",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "41600c8379eb5aee63e9413fe9e97273e25d57e4"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/41600c8379eb5aee63e9413fe9e97273e25d57e4",
-                "reference": "41600c8379eb5aee63e9413fe9e97273e25d57e4",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.4|^8.0"
-            },
-            "conflict": {
-                "phpstan/phpstan-shim": "*"
-            },
-            "bin": [
-                "phpstan",
-                "phpstan.phar"
-            ],
-            "type": "library",
-            "autoload": {
-                "files": [
-                    "bootstrap.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "PHPStan - PHP Static Analysis Tool",
-            "keywords": [
-                "dev",
-                "static analysis"
-            ],
-            "support": {
-                "docs": "https://phpstan.org/user-guide/getting-started",
-                "forum": "https://github.com/phpstan/phpstan/discussions",
-                "issues": "https://github.com/phpstan/phpstan/issues",
-                "security": "https://github.com/phpstan/phpstan/security/policy",
-                "source": "https://github.com/phpstan/phpstan-src"
-            },
-            "funding": [
-                {
-                    "url": "https://github.com/ondrejmirtes",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/phpstan",
-                    "type": "github"
-                }
-            ],
-            "time": "2025-08-04T19:17:37+00:00"
-        },
-        {
-            "name": "phpstan/phpstan-deprecation-rules",
-            "version": "2.0.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/phpstan/phpstan-deprecation-rules.git",
-                "reference": "468e02c9176891cc901143da118f09dc9505fc2f"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan-deprecation-rules/zipball/468e02c9176891cc901143da118f09dc9505fc2f",
-                "reference": "468e02c9176891cc901143da118f09dc9505fc2f",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.4 || ^8.0",
-                "phpstan/phpstan": "^2.1.15"
-            },
-            "require-dev": {
-                "php-parallel-lint/php-parallel-lint": "^1.2",
-                "phpstan/phpstan-phpunit": "^2.0",
-                "phpunit/phpunit": "^9.6"
-            },
-            "type": "phpstan-extension",
-            "extra": {
-                "phpstan": {
-                    "includes": [
-                        "rules.neon"
-                    ]
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "PHPStan\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "PHPStan rules for detecting usage of deprecated classes, methods, properties, constants and traits.",
-            "support": {
-                "issues": "https://github.com/phpstan/phpstan-deprecation-rules/issues",
-                "source": "https://github.com/phpstan/phpstan-deprecation-rules/tree/2.0.3"
-            },
-            "time": "2025-05-14T10:56:57+00:00"
+            "time": "2025-10-14T10:26:06+00:00"
         },
         {
             "name": "psr/container",
@@ -327,16 +113,16 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.13.2",
+            "version": "3.13.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
-                "reference": "5b5e3821314f947dd040c70f7992a64eac89025c"
+                "reference": "0ca86845ce43291e8f5692c7356fccf3bcf02bf4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/5b5e3821314f947dd040c70f7992a64eac89025c",
-                "reference": "5b5e3821314f947dd040c70f7992a64eac89025c",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/0ca86845ce43291e8f5692c7356fccf3bcf02bf4",
+                "reference": "0ca86845ce43291e8f5692c7356fccf3bcf02bf4",
                 "shasum": ""
             },
             "require": {
@@ -353,11 +139,6 @@
                 "bin/phpcs"
             ],
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.x-dev"
-                }
-            },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "BSD-3-Clause"
@@ -407,7 +188,7 @@
                     "type": "thanks_dev"
                 }
             ],
-            "time": "2025-06-17T22:17:01+00:00"
+            "time": "2025-11-04T16:30:35+00:00"
         },
         {
             "name": "symfony/console",
@@ -1406,13 +1187,13 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {},
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
         "php": ">=7.4"
     },
-    "platform-dev": {},
+    "platform-dev": [],
     "platform-overrides": {
         "php": "7.4.0"
     },
diff --git a/inc/commoninjectionlib.class.php b/inc/commoninjectionlib.class.php
index c4f11c8c..d6d0b225 100644
--- a/inc/commoninjectionlib.class.php
+++ b/inc/commoninjectionlib.class.php
@@ -602,7 +602,7 @@ private function getFieldValue(
                 if ($item instanceof CommonTreeDropdown) {
                    // use findID instead of getID
                     $input =  [
-                        'completename' => $value,
+                        'completename' => Sanitizer::sanitize($value),
                         'entities_id'  => $this->entity
                     ];
 
@@ -943,7 +943,7 @@ private function setValueForItemtype($itemtype, $field, $value, $fromdb = false)
                     if ($fromdb) {
                         $this->values[$itemtype][$field] = $value . "\n" . $this->values[$itemtype][$field];
                     } else {
-                        $this->values[$itemtype][$field] = $this->values[$itemtype][$field] . "\n" . $value;
+                        $this->values[$itemtype][$field] = $this->values[$itemtype][$field] . "\n" . Sanitizer::sanitize($value);
                     }
                 }
             } elseif (
@@ -963,6 +963,13 @@ private function setValueForItemtype($itemtype, $field, $value, $fromdb = false)
                     $this->values[$itemtype][$field] = self::EMPTY_VALUE;
                 }
             } else {
+                // Encode HTML special characters for multiline text fields coming from CSV
+                if (!$fromdb) {
+                    $option = self::findSearchOption($injectionClass->getOptions($itemtype), $field);
+                    if (isset($option['displaytype']) && $option['displaytype'] == 'multiline_text') {
+                        $value = Sanitizer::sanitize($value);
+                    }
+                }
                 $this->values[$itemtype][$field] = $value;
             }
         }