WordPress Plugin Vulnerabilities
WordPress Security < 4.2.1 - Admin+ Stored Cross-Site Scripting
Description
The plugin does not sanitise and escape some of its settings, leading to malicious users with administrator privileges to store malicious Javascript code leading to Cross-Site Scripting attacks when unfiltered_html is disallowed (for example in multisite setup)
Proof of Concept
Put the following payload in the "Advanced Blocking" tab > "Block HTTP Referer's" section > "Add Referer" field: "><img src=x onerror=alert(/XSS/)>
Affects Plugins
Fixed in 4.2.1 References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Niraj Mahajan
Submitter
Niraj Mahajan
Submitter website
Submitter twitter
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2022-06-06 (about 1 years ago)
Added
2022-06-06 (about 1 years ago)
Last Updated
2023-03-08 (about 1 years ago)
WPScan 