Contact Form 7 Vulnerability in +5 Million Sites

Contact Form 7 Vulnerability in +5 Million Sites

A vulnerability has been discovered in Contact Form 7 that allows an attacker to upload malicious scripts. The publishers of Contact Form 7 have released an update to fix the vulnerability.

Filename Sanitization Filename sanitization is a reference to a function related to scripts that process uploads. Filename sanitization functions are designed to control what kinds of files (file names) are uploaded by restricting certain kinds of files. Filename sanitization also can control file paths.

Vulnerability Fixed in Contact Form 7 Version 7.5.3.2 The vulnerability was originally discovered by researchers at Web Security company Astra. The filename sanitization vulnerability exploit is fixed in Contact Form 7 version 7 5.3.2. All versions of Contact Form 7 from 7 5.3.1 and under are considered vulnerable and should be updated immediately.

wordpress vulnerability contact form 7

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