CVE-2020-36758 : Security Advisory and Response

This CVE record pertains to a vulnerability in the RSS Aggregator by Feedzy plugin for WordPress, allowing for Cross-Site Request Forgery attacks.

Understanding CVE-2020-36758

The vulnerability in the RSS Aggregator by Feedzy plugin allows unauthenticated attackers to manipulate post meta through forged requests.

What is CVE-2020-36758?

The RSS Aggregator by Feedzy plugin for WordPress is susceptible to Cross-Site Request Forgery due to inadequate nonce validation, enabling unauthorized updates to post meta.

The Impact of CVE-2020-36758

This vulnerability permits unauthenticated attackers to modify post meta by deceiving site administrators into taking actions like clicking on malicious links.

Technical Details of CVE-2020-36758

The technical aspects of the CVE include:

Vulnerability Description

The vulnerability arises from missing or incorrect nonce validation in the save_feedzy_post_type_meta() function.

Affected Systems and Versions

Vendor: themeisle
Product: RSS Aggregator by Feedzy
Versions Affected: Up to and including 3.4.2
Versions Unaffected: 3.4.3 and above

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking site administrators into executing actions that trigger forged requests, enabling unauthorized manipulation of post meta.

Mitigation and Prevention

To address CVE-2020-36758, consider the following steps:

Immediate Steps to Take

Update the RSS Aggregator by Feedzy plugin to version 3.4.3 or higher.
Be cautious of clicking on links from untrusted sources to prevent CSRF attacks.

Long-Term Security Practices

Regularly monitor and update plugins to mitigate potential vulnerabilities.
Educate site administrators on recognizing and avoiding social engineering tactics used in CSRF attacks.

Patching and Updates

Ensure timely installation of security patches and updates for all WordPress plugins to prevent exploitation of known vulnerabilities.