What is the vulnerability ID of this vulnerability?

The vulnerability ID is CVE-2023-4779.

What is the severity of CVE-2023-4779?

The severity of CVE-2023-4779 is medium with a severity value of 5.4.

How can I fix the vulnerability CVE-2023-4779 in the User Submitted Posts plugin for WordPress?

To fix the vulnerability, you should update the User Submitted Posts plugin to a version higher than 20230811, which includes the necessary input sanitization and output escaping.

Vulnerability/
CVE-2023-4779

medium

6.4

CWE

6/9/2023

5/2/2025

CVE-2023-4779: XSS

Q: What is the title of this vulnerability?

The title of this vulnerability is 'The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting'.

Q: How does the User Submitted Posts plugin for WordPress become vulnerable to Stored Cross-Site Scripting?

The vulnerability occurs due to insufficient input sanitization and output escaping on user supplied attributes like 'before' in the plugin's [usp_gallery] shortcode.

First published: Wed Sep 06 2023(Updated: )

The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [usp_gallery] shortcode in versions up to, and including, 20230811 due to insufficient input sanitization and output escaping on user supplied attributes like 'before'. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Credit: security@wordfence.com

Affected Software	Affected Version	How to fix
Plugin-Planet User Submitted Posts	<=20230811

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Frequently Asked Questions

What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2023-4779.
What is the title of this vulnerability?
The title of this vulnerability is 'The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting'.
What is the severity of CVE-2023-4779?
The severity of CVE-2023-4779 is medium with a severity value of 5.4.
How does the User Submitted Posts plugin for WordPress become vulnerable to Stored Cross-Site Scripting?
The vulnerability occurs due to insufficient input sanitization and output escaping on user supplied attributes like 'before' in the plugin's [usp_gallery] shortcode.
How can I fix the vulnerability CVE-2023-4779 in the User Submitted Posts plugin for WordPress?
To fix the vulnerability, you should update the User Submitted Posts plugin to a version higher than 20230811, which includes the necessary input sanitization and output escaping.

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agent/event
agent/source
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/nvd-index
vendor/plugin-planet
canonical/plugin-planet user submitted posts
version/plugin-planet user submitted posts/20230811

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