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Description
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Some vulnerabilities have been reported in WordPress, which can be exploited by malicious users to bypass certain security restrictions and by malicious people to conduct cross-site scripting and SQL injection attacks.
1) Certain unspecified input is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
2) An error when handling file uploads can be exploited to upload files with otherwise restricted names.
3) Certain unspecified input is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
4) Certain input related to plugins is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
The vulnerabilities are reported in versions prior to 4.1.2 and prior to 3.9.4.
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