关键信息 Supplier Blog Site In PHP With Source Code - Source Code & Projects Product and Version Affected Product Name: BLOG_SITE_IN_PHP_WITH_SOURCE_CODE Affected File: resources/functions/blog.php, add_category.php Detailed Description The vulnerability exists in the function in . User input processed via is sanitized using , but this is insufficient due to usage of deprecated and unsafe extension. Vulnerable to Wide-Byte Injection if database uses multi-byte character set like GBK or BIG5. Affected Code Snippets Impact 1. Logic Bypass: Attackers can provide payload like causing to always return or , bypassing validation checks. 2. Data Manipulation: Successful injection allows executing arbitrary SQL commands: - Reading, modifying, deleting data in table. - Potential stacked queries, compromising other tables.