TI-2021-15966 Aliases CVE-2021-38359 GHSA-88p5-j94v-hcpw

WordPress InviteBox Plugin <= 1.4.1 Reflected Cross-Site Scripting

LOW 29CWE-79Published 2021-09-10 · Updated 2025-05-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00819 57th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
WordPress InviteBox Plugin	WordPress InviteBox Plugin	1.4.1 – 1.4.1	—	No fix listed	CNA

WordPress InviteBox Plugin VendorWordPress InviteBox Plugin Affected 1.4.1 – 1.4.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:invitebox:invitebox::::::wordpress::*	up to 1.4.1	Vulnerable	Invitebox

cpe:2.3:a:invitebox:invitebox:*:*:*:*:*:wordpress:*:* Versions up to 1.4.1 Vulnerable ·Invitebox

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-38359
2026-10-03 Alias added: GHSA-88p5-j94v-hcpw

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences