Cross-site scripting in Trend Micro InterScan Web Security Virtual Appliance
Priority LOW 31CWE-79Published · Updated
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 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A cross-site scripting vulnerability (XSS) in Trend Micro InterScan Web Security Virtual Appliance 6.5 may allow a remote attacker to tamper with the web interface of affected installations. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
Why it matters now
EPSS 0.01976 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Trend Micro | Trend Micro InterScan Web Security Virtual Appliance | 6.5 | — | No fix listed | CNA |
- Trend Micro InterScan Web Security Virtual Appliance VendorTrend Micro Affected 6.5 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trendmicro:interscan_web_security_virtual_appliance:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Trendmicro |
- cpe:2.3:a:trendmicro:interscan_web_security_virtual_appliance:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Trendmicro
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8603
- 2026-10-03 Alias added: GHSA-mfvw-r6f7-mjcf
References
More Trend Micro vulnerabilities
- TI-2025-34668 OS command injection in Trend Micro Apex One KEVCVSS 3.1CRITICAL 9.8
- TI-2022-10115 Insufficient verification of data authenticity in Trend Micro Apex Central KEVCVSS 3.1CRITICAL 9.8
- TI-2020-06895 Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-14867 Unrestricted file upload in Trend Micro Apex One KEVCVSS 3.1HIGH 8.8
- TI-2020-06795 Injection in Trend Micro OfficeScan, Trend Micro Apex One, Trend Micro Worry-Free… KEVCVSS 3.1HIGH 8.8
- TI-2020-06794 A migration tool component of Trend Micro Apex One (2019) and OfficeScan XG contains a… KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2020-8603 · CVE Program
- CVE-2020-8603 · NVD
- FIRST EPSS
- GHSA-mfvw-r6f7-mjcf · GitHub Advisory Database · CC BY 4.0
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