WordPress Plugin Vulnerabilities
WP YouTube Live < 1.8.3 - Admin+ Stored Cross Site Scripting
Description
The plugin does not validate, sanitise and escape various of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
Proof of Concept
Put the following payload in the "Youtube API Key" or "YouTube Channel ID" settings and save: "><img src onerror=alert(/XSS/)> The Custom HTML settings is also affected: </textarea><img src onerror=alert(/XSS/)> Settings which are expected to be number also affected as they are only validated client side
Affects Plugins
Fixed in version 1.8.3
References
Classification
Miscellaneous
Original Researcher
Vinay Varma Mudunuri, Krishna Harsha Kondaveeti
Submitter
Vinay Varma Mudunuri
Verified
Yes
Timeline
Publicly Published
2022-04-25 (about 2 months ago)
Added
2022-04-25 (about 2 months ago)
Last Updated
2022-04-25 (about 2 months ago)