CVE-2023-6645: Post Grid Combo – 36+ Gutenberg Blocks <= 2.2.64 - Authenticated (Contributor+) Cross-Site Scripting
The Post Grid Combo – 36+ Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom JS parameter in all versions up to, and including, 2.2.64 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-6645?
The severity of CVE-2023-6645 is considered high due to its potential for Stored Cross-Site Scripting attacks.
How do I fix CVE-2023-6645?
To fix CVE-2023-6645, update the Post Grid Combo plugin to version 2.2.65 or later.
Who is affected by CVE-2023-6645?
CVE-2023-6645 affects all users of the Post Grid Combo plugin for WordPress, specifically those using versions up to and including 2.2.64.
What type of vulnerability is CVE-2023-6645?
CVE-2023-6645 is a Stored Cross-Site Scripting (XSS) vulnerability caused by insufficient input sanitization and output escaping.
Can CVE-2023-6645 be exploited remotely?
Yes, CVE-2023-6645 can be exploited remotely by authenticated attackers who can execute malicious scripts in the user context.