WordPress Plugin Vulnerabilities
Ultimate NoFollow <= 1.4.8 - Contributor+ Stored Cross-Site Scripting
Description
The plugin does not sanitise and escape the href attribute of its shortcodes, allowing users with a role as low as contributor to perform Cross-Site Scripting attacks
Proof of Concept
Affected shortcodes: nf, nofo, nofol, nofollow, relnofollow As a contributor, put the below shortcode in a post/page [nf href='https://test" style="position:absolute;top:0;left:0;max-width:9999px;width:9999px;height:9999px" onmouseover="alert(/XSS/)']test[/nf] The XSS will be triggered when the post is previewed (for example by an admin when reviewed)/viewed
Affects Plugins
No known fix References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Quentin VILLAIN (3wsec)
Submitter
Quentin VILLAIN (3wsec)
Submitter website
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2021-11-15 (about 2 years ago)
Added
2021-11-15 (about 2 years ago)
Last Updated
2022-04-11 (about 2 years ago)
WPScan 