What is CVE-2019-11522?

CVE-2019-11522 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-20.

How severe is CVE-2019-11522?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Open-Xchange Appsuite

CVE-2019-11522

OX App Suite 7.10.0 to 7.10.2 allows XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-08-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (53.6th percentile), scored 2026-10-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Open-Xchange Appsuite

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/154128/Open-Xchange-OX-App-Suite-Content-Spoofing… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2019-11522?: CVE-2019-11522 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-20.
How severe is CVE-2019-11522?: Medium severity. CVSS v3 base score is 5.4 out of 10.