CVE-2026-9007 PUBLISHED

Reflected XSS in HCL Notes

Assigner: TCS-CERT
Reserved: 19.05.2026 Published: 15.07.2026 Updated: 15.07.2026

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in HCL Notes from HCL Software allows reflected

Cross-Site Scripting (XSS). Successful exploitation allows an attacker to execute arbitrary JavaScript in the context of another user.

This issue affects HCL Notes: Release 12.0.2FP5HF8 on Linux 4.18.0-553.52.1.El8_10.X64_64#1.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
CVSS Score: 5.5

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

CVSS 4.0

Vendor	HCL Software
Product	HCL Notes
Versions	Default: unknown Version Release 12.0.2FP5HF8 on Linux 4.18.0-553.52.1.el8_10.x64_64#1 is affected

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') CWE