CVE-2021-38359

MEDIUM 6.1CVE-2021-38359 · Published 10/09/2021 · updated 17/06/2026

In short

CVE-2021-38359 is a MEDIUM (CVSS 6.1) vulnerability affecting invitebox (invitebox).
Chance of exploitation in the next 30 days (EPSS): 0.82%, higher than 57.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
invitebox invitebox	`≤ 1.4.1`	No fix yet

Description

The WordPress InviteBox Plugin for viral Refer-a-Friend Promotions WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the message parameter found in the ~/admin/admin.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.1.

References

plugins.trac.wordpress.org/browser/refer-a-friend-widget-for-wp/tags/1.4.1/admin/admin.php · Third Party Advisory
wordfence.com/vulnerability-advisories · Third Party Advisory

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