WordPress Hit With Several Vulnerabilities In Variations Prior To 6.0.3

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WordPress published a security release to deal with several vulnerabilities found in versions of WordPress prior to 6.0.3. WordPress likewise updated all versions since WordPress 3.7.

Cross Website Scripting (XSS) Vulnerability

The U.S. Federal Government National Vulnerability Database released cautions of numerous vulnerabilities affecting WordPress.

There are numerous sort of vulnerabilities affecting WordPress, including a type known as a Cross Site Scripting, often described as XSS.

A cross site scripting vulnerability typically emerges when a web application like WordPress does not appropriately check (sanitize) what is input into a type or submitted through an upload input.

An aggressor can send out a malicious script to a user who visits the website which then executes the malicious script, thereupon providing delicate info or cookies including user credentials to the attacker.

Another vulnerability discovered is called a Stored XSS, which is typically thought about to be worse than a routine XSS attack.

With a kept XSS attack, the malicious script is stored on the website itself and is carried out when a user or logged-in user visits the site.

A third kind vulnerability found is called a Cross-Site Demand Forgery (CSRF).

The non-profit Open Web Application Security Project (OWASP) security site explains this kind of vulnerability:

“Cross-Site Request Forgery (CSRF) is an attack that requires an end user to execute unwanted actions on a web application in which they’re presently validated.

With a little aid of social engineering (such as sending out a link by means of e-mail or chat), an assailant might fool the users of a web application into carrying out actions of the aggressor’s picking.

If the victim is a typical user, a successful CSRF attack can require the user to perform state altering demands like moving funds, changing their email address, and so forth.

If the victim is an administrative account, CSRF can jeopardize the whole web application.”

These are the vulnerabilities found:

  1. Saved XSS by means of wp-mail. php (post by e-mail)
  2. Open reroute in ‘wp_nonce_ays’
  3. Sender’s e-mail address is exposed in wp-mail. php
  4. Media Library– Shown XSS by means of SQLi
  5. Cross-Site Request Forgery (CSRF) in wp-trackback. php
  6. Kept XSS via the Customizer
  7. Revert shared user instances introduced in 50790
  8. Stored XSS in WordPress Core through Remark Editing
  9. Data direct exposure by means of the REST Terms/Tags Endpoint
  10. Material from multipart emails leaked
  11. SQL Injection due to improper sanitization in ‘WP_Date_Query ‘RSS Widget: Stored XSS problem
  12. Stored XSS in the search block
  13. Function Image Block: XSS concern
  14. RSS Block: Kept XSS issue
  15. Fix widget block XSS

Suggested Action

WordPress suggested that all users update their sites right away.

The official WordPress announcement stated:

“This release features numerous security repairs. Because this is a security release, it is advised that you upgrade your websites right away.

All versions given that WordPress 3.7 have likewise been updated.”

Check out the official WordPress statement here:

WordPress 6.0.3 Security Release

Read the National Vulnerability Database entries for these vulnerabilities:

CVE-2022-43504

CVE-2022-43500

CVE-2022-43497

Featured image by Best SMM Panel/Asier Romero