WordPress Hit With Numerous Vulnerabilities In Variations Prior To 6.0.3

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WordPress published a security release to deal with several vulnerabilities discovered in variations of WordPress prior to 6.0.3. WordPress also updated all variations since WordPress 3.7.

Cross Website Scripting (XSS) Vulnerability

The U.S. Government National Vulnerability Database published warnings of numerous vulnerabilities affecting WordPress.

There are numerous sort of vulnerabilities impacting WordPress, including a type referred to as a Cross Site Scripting, often described as XSS.

A cross site scripting vulnerability generally occurs when a web application like WordPress doesn’t effectively check (sanitize) what is input into a kind or published through an upload input.

An assailant can send a destructive script to a user who visits the website which then executes the destructive script, thereupon providing sensitive details or cookies consisting of user credentials to the attacker.

Another vulnerability discovered is called a Kept XSS, which is normally considered to be worse than a routine XSS attack.

With a kept XSS attack, the malicious script is saved on the site itself and is performed when a user or logged-in user checks out the website.

A 3rd kind vulnerability found is called a Cross-Site Demand Forgery (CSRF).

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

“Cross-Site Request Forgery (CSRF) is an attack that forces an end user to perform undesirable actions on a web application in which they’re currently confirmed.

With a little assistance of social engineering (such as sending a link by means of email or chat), an enemy might trick the users of a web application into carrying out actions of the assailant’s choosing.

If the victim is a normal user, a successful CSRF attack can require the user to carry out state altering demands like transferring funds, altering their e-mail address, etc.

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

These are the vulnerabilities discovered:

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

Advised Action

WordPress recommended that all users update their websites instantly.

The main WordPress announcement specified:

“This release includes several security repairs. Since this is a security release, it is advised that you upgrade your websites immediately.

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

Check out the main WordPress statement here:

WordPress 6.0.3 Security Release

Check Out the National Vulnerability Database entries for these vulnerabilities:

CVE-2022-43504

CVE-2022-43500

CVE-2022-43497

Included image by Best SMM Panel/Asier Romero