Description
The Add Widget After Content plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.4.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected products
- apintop / Add Widget After Content0 – 2.4.6
References
- MISChttps://www.wordfence.com/threat-intel/vulnerabilities/id/e02472a8-5b88-43ad-86f3-e890b49899ad?source=cve
- MISChttps://plugins.trac.wordpress.org/browser/add-widget-after-content/trunk/add-widget-after-content-admin.php#L320
- MISChttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3170427%40add-widget-after-content&new=3170427%40add-widget-after-content&sfp_email=&sfph_mail=
- MISChttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3170428%40add-widget-after-content&new=3170428%40add-widget-after-content&sfp_email=&sfph_mail=