How severe is CVE-2018-6226?

CVE-2018-6226 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-6226 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6226?

CVE-2018-6226 affects Trendmicro Email Encryption Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6226?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-6226 published?

CVE-2018-6226 was published on 2018-03-15 and last updated on 2026-06-17.

CVE-2018-6226

CVE-2018-6226 is a medium-severity vulnerability in Trendmicro Email Encryption Gateway with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Trendmicro Email Encryption Gateway
Published: 2018-03-15
Last modified: 2026-06-17

Description

Reflected cross-site scripting (XSS) vulnerabilities in two Trend Micro Email Encryption Gateway 5.5 configuration files could allow an attacker to inject client-side scripts into vulnerable systems.

Frequently asked questions

What is CVE-2018-6226?: Reflected cross-site scripting (XSS) vulnerabilities in two Trend Micro Email Encryption Gateway 5.5 configuration files could allow an attacker to inject client-side scripts into vulnerable systems.
How severe is CVE-2018-6226?: CVE-2018-6226 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-6226 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6226?: CVE-2018-6226 affects Trendmicro Email Encryption Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6226?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-6226 published?: CVE-2018-6226 was published on 2018-03-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trendmicro:email_encryption_gateway:5.5:*:*:*:*:*:*:*

More vulnerabilities in Trendmicro Email Encryption Gateway

CVE-2018-6229 — Critical (CVSS 9.8): A SQL injection vulnerability in an Trend Micro Email Encryption Gateway 5.5 edit policy script could allow an attacker…
CVE-2018-6228 — Critical (CVSS 9.8): A SQL injection vulnerability in a Trend Micro Email Encryption Gateway 5.5 policy script could allow an attacker to…
CVE-2018-6223 — Critical (CVSS 9.8): A missing authentication for appliance registration vulnerability in Trend Micro Email Encryption Gateway 5.5 could…
CVE-2018-6220 — Critical (CVSS 9.8): An arbitrary file write vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to inject…
CVE-2016-4351 — Critical (CVSS 9.8): SQL injection vulnerability in the authentication functionality in Trend Micro Email Encryption Gateway (TMEEG) 5.5…
CVE-2018-10356 — High (CVSS 8.8): A SQL injection remote code execution vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker…

All CVEs affecting Trendmicro Email Encryption Gateway →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →