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AVideo is an open source video platform. The `transferBalance()` method within the `plugin/YPTWallet/YPTWallet.php` file contains a Time-of-Check-Time-of-Use (TOCTOU) race condition. The method reads the sender's wallet balance, checks for sufficient funds using PHP, and then writes the new balance without utilizing database transactions or row-level locking. An attacker with multiple authenticated sessions can concurrently send transfer requests, each reading the same initial balance. These requests independently pass the balance check, leading to a scenario where the sender's balance is deducted only once, while the recipient receives funds multiple times. The vulnerable function is `transferBalance()`.

AVideo is a video-sharing platform. Versions prior to 8.0 contain a Server-Side Request Forgery issue (CWE-918) in the public thumbnail endpoints ''getImage.php'' and ''getImageMP4.php''. These endpoints accept a `base64Url` GET parameter, decode it, and pass the resulting URL to ffmpeg as an input source without authentication. The initial validation only confirmed the URL was syntactically valid and began with http(s)://, which is insufficient. An attacker can provide URLs such as http://169.254.169.254/latest/meta-data/ (AWS/cloud instance metadata), http://192.168.x.x/, or http://127.0.0.1/ to make the server access internal network resources. The response is not directly returned, but timing differences and error logs can be used to infer results.

AVideo is a video-sharing platform. Versions prior to 8.0 contain a SQL Injection issue in the `getSqlFromPost()` method of Object.php. The `$ POST['sort']` array keys are used directly as SQL column identifiers within an ORDER BY clause. While `real escape string()` was applied, it only escapes string-context characters and does not protect SQL identifiers, rendering it ineffective. The issue stems from the direct use of unsanitized input in constructing a SQL query. The `sort` parameter within the `$ POST` request is particularly vulnerable.

The RTMP `on publish` callback at `plugin/Live/on publish.php` lacks authentication. The `$ POST['name']` parameter, representing the stream key, is directly incorporated into SQL queries within the `LiveTransmitionHistory::getLatest()` and `LiveTransmition::keyExists()` functions without proper sanitization or parameterized binding. This allows an unauthenticated attacker to perform time-based blind SQL injection, potentially extracting all database contents, including user password hashes, email addresses, and other sensitive data. The insufficient sanitization on line 117 of `plugin/Live/on publish.php` only strips '&' and '=' characters. The `sqlDAL::readSql()` function does not provide protection when called without format/values parameters, as it compiles the injected SQL directly. Exploitation can be achieved through crafted `curl` requests, leveraging the injection points to extract data character by character. An attacker could potentially authenticate as any user to the streaming system by using extracted password hashes.

AVideo, an open source video platform, contains a reflected Cross-Site Scripting (XSS) issue. An unauthenticated attacker can execute arbitrary JavaScript in a victim's browser by manipulating a URL parameter. User input from a URL parameter is processed by PHP's `json encode()` function and then rendered within a JavaScript function using `innerHTML`, bypassing encoding and enabling full script execution. The root cause is the combination of unescaped user input passed to JavaScript and the use of `innerHTML` which renders HTML tags as executable DOM. The attack can potentially lead to session hijacking, account takeover, credential phishing through injected login forms, self-propagating payload distribution, and administrative account compromise. The vulnerability stems from the lack of proper input sanitization and insufficient cookie security, specifically the absence of the HttpOnly flag on the PHPSESSID cookie. The vulnerable code is located in `view/videoNotFound.php` and `view/js/script.js`.

**Nome do software vulnerável e versões afetadas: Versões da AVideo Platform anteriores à 10.2 Descrição: A vulnerabilidade permite que um usuário comum contorne a autorização e obtenha controle de administrador. Isso é resolvido removendo o hash de senha e o hash de recuperação de senha de todas as consultas. Recomendações: Para versões anteriores à 10.2, atualize para a versão 10.2 para resolver o problema. Como solução temporária, considere restringir o acesso aos controles de administrador até que a atualização possa ser aplicada.