WordPress Plugin Vulnerabilities
EventON (Free < 2.2.7, Premium < 4.5.5) - Admin+ Stored Cross-Site Scripting
Description
The plugin does not sanitize and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Proof of Concept
1. Go to the EventON Lite settings and create/activate a custom metadata field. 2. Then, insert the new custom metadata field. 3. Create a new Event itself and for the the Custom Meta Field value, insert the payload `" style=animation-name:rotation onanimationstart=alert(/XSS/)//` 4.The Stored XSS will be triggered when editing the event again.
Affects Plugins
Fixed in 4.5.5
Fixed in 2.2.7 References
CVE
Classification
Type
XSS
OWASP top 10
CWE
Miscellaneous
Original Researcher
Miguel Santareno
Submitter
Miguel Santareno
Submitter website
Submitter twitter
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2024-01-10 (about 4 months ago)
Added
2024-01-10 (about 4 months ago)
Last Updated
2024-01-10 (about 4 months ago)
WPScan 