What is CVE-2017-17837?

CVE-2017-17837 is a medium-severity vulnerability in Apache Deltaspike, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-04.

How severe is CVE-2017-17837?

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

XSS in Apache Deltaspike

CVE-2017-17837

The Apache DeltaSpike-JSF 1.8.0 module has a XSS injection leak in the windowId handling. The default size of the windowId get's cut off after 10 characters (by default), so the impact might be limited. A fix got applied and released in Apache deltaspike-1.8.1.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-01-04 · 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: 0.045 (91.4th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000

Affected products

Apache Deltaspike — versions 1.8.0
Apache Software Foundation Deltaspike — versions 1.8.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

issues.apache.org/jira/browse/DELTASPIKE-1307 (Exploit, Patch, Issue Tracking, Vendor Advisory)
git-wip-us.apache.org/repos/asf
lists.apache.org/thread.html/r78565f0f4ecb4ad32a6c405b45b9ee568dfc4729ba63e7d7c… (mailing-list)
lists.apache.org/thread.html/r17b326c0eb35d8c71c84c171eda83e3e1f011dc757781e34f… (mailing-list)

Frequently asked questions

What is CVE-2017-17837?: CVE-2017-17837 is a medium-severity vulnerability in Apache Deltaspike, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-04.
How severe is CVE-2017-17837?: Medium severity. CVSS v3 base score is 6.1 out of 10.