CVE-2026-87900 PUBLISHED

Assigner: hackerone
Reserved: 09.09.2026 Published: 23.09.2026 Updated: 23.09.2026

Argument injection in WP Toolkit for cPanel 6.11.2-10794 and earlier allows remote authenticated users to read arbitrary files and execute arbitrary code across customer accounts.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	WebPros
Product	WP Toolkit for cPanel
Versions	affected from 0 to 6.11.2-10794 (incl.) unaffected from 6.11.3-10850 to 6.11.3-10850 (excl.)

Credits

Ali Mustafa (rz1027) finder

References

https://support.cpanel.net/hc/en-us/articles/43597969409943

Problem Types

CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') CWE