What is CVE-2022-30604?

CVE-2022-30604 is a medium-severity vulnerability in Cybozu Office, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-08-18.

How severe is CVE-2022-30604?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Cybozu Office

CVE-2022-30604

Cross-site scripting vulnerability in the specific parameters of Cybozu Office 10.0.0 to 10.8.5 allows a remote attacker to inject an arbitrary script via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-08-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Cybozu Office
Cybozu, Inc. Cybozu Office — versions 10.0.0 to 10.8.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cs.cybozu.co.jp/2022/007584.html (Vendor Advisory)
jvn.jp/en/jp/JVN20573662/index.html (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-30604?: CVE-2022-30604 is a medium-severity vulnerability in Cybozu Office, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-08-18.
How severe is CVE-2022-30604?: Medium severity. CVSS v3 base score is 6.1 out of 10.