How severe is CVE-2013-6903?

CVE-2013-6903 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-6903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6903?

CVE-2013-6903 primarily affects Cybozu Garoon. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6903?

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

When was CVE-2013-6903 published?

CVE-2013-6903 was published on 2013-12-05 and last updated on 2026-06-17.

CVE-2013-6903

CVE-2013-6903 is a medium-severity vulnerability in Cybozu Garoon with a CVSS 2.0 base score of 4.3. 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 2.0 base score 4.3)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cybozu Garoon
Published: 2013-12-05
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in a schedule component in Cybozu Garoon before 3.7.0, when Internet Explorer or Firefox is used, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2013-6903?: Cross-site scripting (XSS) vulnerability in a schedule component in Cybozu Garoon before 3.7.0, when Internet Explorer or Firefox is used, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2013-6903?: CVE-2013-6903 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-6903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6903?: CVE-2013-6903 primarily affects Cybozu Garoon. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6903 published?: CVE-2013-6903 was published on 2013-12-05 and last updated on 2026-06-17.

References

Affected products (29)

cpe:2.3:a:cybozu:garoon:*:sp5:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.0:sp1:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.0:sp2:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.0:sp3:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.0:sp4:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.0:sp5:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.0:sp6:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.1:sp1:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.1:sp2:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.1:sp3:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.5:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.5:sp1:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.5:sp2:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.5:sp3:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:2.5:sp4:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.0:sp1:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.0:sp2:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.0:sp3:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1:sp1:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1:sp2:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1:sp3:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp1:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp2:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp3:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp4:*:*:*:*:*:*

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