What is CVE-2022-41351?

CVE-2022-41351 is a medium-severity vulnerability in Zimbra Collaboration, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-12.

How severe is CVE-2022-41351?

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

XSS in Zimbra Collaboration

CVE-2022-41351

In Zimbra Collaboration Suite (ZCS) 8.8.15, at the URL /h/calendar, one can trigger XSS by adding JavaScript code to the view parameter and changing the value of the uncheck parameter to a string (instead of default value of 10).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-10-12 · 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: 0.005 (37.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000

Affected products

Zimbra Collaboration — versions 8.8.15

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wiki.zimbra.com/wiki/Zimbra_Security_Advisories (Vendor Advisory)
wiki.zimbra.com/wiki/Security_Center (Vendor Advisory)

Frequently asked questions

What is CVE-2022-41351?: CVE-2022-41351 is a medium-severity vulnerability in Zimbra Collaboration, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-12.
How severe is CVE-2022-41351?: Medium severity. CVSS v3 base score is 6.1 out of 10.