What is CVE-2020-11416?

CVE-2020-11416 is a medium-severity vulnerability in Jetbrains Space, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-04-22.

How severe is CVE-2020-11416?

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

XSS in Jetbrains Space

CVE-2020-11416

JetBrains Space through 2020-04-22 allows stored XSS in Chats.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-04-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Jetbrains Space

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

blog.jetbrains.com/blog/2020/04/22/jetbrains-security-bulletin-q1-2020/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-11416?: CVE-2020-11416 is a medium-severity vulnerability in Jetbrains Space, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-04-22.
How severe is CVE-2020-11416?: Medium severity. CVSS v3 base score is 5.4 out of 10.