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fix: Add problematic MIME types to default value of Parse Server option fileUpload.fileExtensions (#9902)

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This commit is contained in:
Manuel
2025-11-05 12:13:30 +01:00
committed by GitHub
parent e9fc20d224
commit fa245cbb5f
3 changed files with 5 additions and 5 deletions
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4
src/Options/Definitions.js
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@@ -1077,9 +1077,9 @@ module.exports.FileUploadOptions = {
fileExtensions: {
env: 'PARSE_SERVER_FILE_UPLOAD_FILE_EXTENSIONS',
help:
"Sets the allowed file extensions for uploading files. The extension is defined as an array of file extensions, or a regex pattern.<br><br>It is recommended to restrict the file upload extensions as much as possible. HTML files are especially problematic as they may be used by an attacker who uploads a HTML form to look legitimate under your app's domain name, or to compromise the session token of another user via accessing the browser's local storage.<br><br>Defaults to `^(?!(h|H)(t|T)(m|M)(l|L)?$)` which allows any file extension except HTML files.",
"Sets the allowed file extensions for uploading files. The extension is defined as an array of file extensions, or a regex pattern.<br><br>It is recommended to restrict the file upload extensions as much as possible. HTML files are especially problematic as they may be used by an attacker who uploads a HTML form to look legitimate under your app's domain name, or to compromise the session token of another user via accessing the browser's local storage.<br><br>Defaults to `^(?![xXsS]?[hH][tT][mM][lL]?$)` which allows any file extension except those MIME types that are mapped to `text/html` and are rendered as website by a web browser.",
action: parsers.arrayParser,
default: ['^(?!(h|H)(t|T)(m|M)(l|L)?$)'],
default: ['^(?![xXsS]?[hH][tT][mM][lL]?$)'],
},
};
module.exports.DatabaseOptions = {

2
src/Options/docs.js
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@@ -235,7 +235,7 @@
* @property {Boolean} enableForAnonymousUser Is true if file upload should be allowed for anonymous users.
* @property {Boolean} enableForAuthenticatedUser Is true if file upload should be allowed for authenticated users.
* @property {Boolean} enableForPublic Is true if file upload should be allowed for anyone, regardless of user authentication.
* @property {String[]} fileExtensions Sets the allowed file extensions for uploading files. The extension is defined as an array of file extensions, or a regex pattern.<br><br>It is recommended to restrict the file upload extensions as much as possible. HTML files are especially problematic as they may be used by an attacker who uploads a HTML form to look legitimate under your app's domain name, or to compromise the session token of another user via accessing the browser's local storage.<br><br>Defaults to `^(?!(h|H)(t|T)(m|M)(l|L)?$)` which allows any file extension except HTML files.
* @property {String[]} fileExtensions Sets the allowed file extensions for uploading files. The extension is defined as an array of file extensions, or a regex pattern.<br><br>It is recommended to restrict the file upload extensions as much as possible. HTML files are especially problematic as they may be used by an attacker who uploads a HTML form to look legitimate under your app's domain name, or to compromise the session token of another user via accessing the browser's local storage.<br><br>Defaults to `^(?![xXsS]?[hH][tT][mM][lL]?$)` which allows any file extension except those MIME types that are mapped to `text/html` and are rendered as website by a web browser.
*/
/**

4
src/Options/index.js
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@@ -594,8 +594,8 @@ export interface PasswordPolicyOptions {
}
export interface FileUploadOptions {
/* Sets the allowed file extensions for uploading files. The extension is defined as an array of file extensions, or a regex pattern.<br><br>It is recommended to restrict the file upload extensions as much as possible. HTML files are especially problematic as they may be used by an attacker who uploads a HTML form to look legitimate under your app's domain name, or to compromise the session token of another user via accessing the browser's local storage.<br><br>Defaults to `^(?!(h|H)(t|T)(m|M)(l|L)?$)` which allows any file extension except HTML files.
:DEFAULT: ["^(?!(h|H)(t|T)(m|M)(l|L)?$)"] */
/* Sets the allowed file extensions for uploading files. The extension is defined as an array of file extensions, or a regex pattern.<br><br>It is recommended to restrict the file upload extensions as much as possible. HTML files are especially problematic as they may be used by an attacker who uploads a HTML form to look legitimate under your app's domain name, or to compromise the session token of another user via accessing the browser's local storage.<br><br>Defaults to `^(?![xXsS]?[hH][tT][mM][lL]?$)` which allows any file extension except those MIME types that are mapped to `text/html` and are rendered as website by a web browser.
:DEFAULT: ["^(?![xXsS]?[hH][tT][mM][lL]?$)"] */
fileExtensions: ?(string[]);
/* Is true if file upload should be allowed for anonymous users.
:DEFAULT: false */