JavaScript execution via reflected unsanitized input
Published Jul 15, 2026 · Updated Jul 15, 2026
Reflected XSS in HCL Notes 12.0.2FP5HF8 on Linux allows remote attackers to execute JavaScript in another user's context. The published record does not disclose the affected request or rendering component, or which input reaches generated content without neutralization. Exploitation requires no prior privileges but does require an additional environmental condition and active victim interaction; successful script runs with the victim's Notes context.
Summary
What happened
Reflected XSS in HCL Notes 12.0.2FP5HF8 on Linux allows remote attackers to execute JavaScript in another user's context. The published record does not disclose the affected request or rendering component, or which input reaches generated content without neutralization. Exploitation requires no prior privileges but does require an additional environmental condition and active victim interaction; successful script runs with the victim's Notes context.
The record
- CVE
- CVE-2026-9007
- Published
- Jul 15, 2026
- Updated
- Jul 15, 2026
- Vendor
- HCL Software
- Product
- HCL Notes
- Classifications
- CWE-79, CAPEC-63, T1204
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 15, 2026CVE publishedPublication date reported by the CVE source.
- Jul 15, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=Release 12.0.2FP5HF8 on Linux 4.18.0-553.52.1.el8_10.x64_64#1
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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