What is CVE-2017-5631?

CVE-2017-5631 is a medium-severity vulnerability in Kmc Information Systems Caseaware, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-05-01.

How severe is CVE-2017-5631?

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

Is CVE-2017-5631 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Kmc Information Systems Caseaware

CVE-2017-5631

An issue was discovered in KMCIS CaseAware. Reflected cross site scripting is present in the user parameter (i.e., "usr") that is transmitted in the login.php query string.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-05-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/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 2026-10-24.

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

Kmc Information Systems Caseaware

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

www.openbugbounty.org/incidents/228262/ (Exploit, Third Party Advisory)
www.exploit-db.com/exploits/42042/ (exploit)

Frequently asked questions

What is CVE-2017-5631?: CVE-2017-5631 is a medium-severity vulnerability in Kmc Information Systems Caseaware, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-05-01.
How severe is CVE-2017-5631?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2017-5631 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.