Cross-site scripting in Forcepoint Email Security
Priority MEDIUM 40CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Forcepoint Email Security (Real Time Monitor modules) allows Reflected XSS.This issue affects Email Security: before 8.5.5 HF003.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00312 24th percentileScored 2026-11-07
Fix Fixed Email Security (Forcepoint): 8.5.5 HF003
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Forcepoint | Email Security | before 8.5.5 HF003 | 8.5.5 HF003 | Patch available | CNA |
- Email Security VendorForcepoint Affected before 8.5.5 HF003 Fixed in 8.5.5 HF003 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:forcepoint:email_security:*:*:*:*:*:*:*:* | before 8.5.5 | Vulnerable | Forcepoint |
| cpe:2.3:a:forcepoint:email_security:8.5.5:-:*:*:*:*:*:* | 8.5.5 | Vulnerable | Forcepoint |
- cpe:2.3:a:forcepoint:email_security:*:*:*:*:*:*:*:* Versions before 8.5.5 Vulnerable ·Forcepoint
- cpe:2.3:a:forcepoint:email_security:8.5.5:-:*:*:*:*:*:* Versions 8.5.5 Vulnerable ·Forcepoint
Remediation
- Fix · CNA Email Security (Forcepoint) Fixed in 8.5.5 HF003
Timeline
- 2026-10-02 Threatist record created from CVE-2024-2166
- 2026-10-03 Alias added: GHSA-232q-v7rp-6ff8
References
More Forcepoint Email Security vulnerabilities
- TI-2018-11860 Out-of-bounds write in Forcepoint Email Security CVSS 3.1CRITICAL 9.8
- TI-2019-04349 Improper access control in Forcepoint Email Security CVSS 3.1CRITICAL 9.8
- TI-2018-11859 Weak password recovery in Forcepoint Email Security CVSS 3.1CRITICAL 9.8
- TI-2022-01566 XML external entity injection in Forcepoint Data Loss Prevention CVSS 3.1CRITICAL 9.8
- TI-2023-01956 SQL injection in Forcepoint Cloud Security Gateway CVSS 3.1CRITICAL 9.8
- TI-2020-05435 XML external entity injection in Forcepoint Web Security Content Gateway CVSS 3.1HIGH 7.5
Sources
- CVE-2024-2166 · CVE Program
- CVE-2024-2166 · NVD
- FIRST EPSS
- GHSA-232q-v7rp-6ff8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences