What is CVE-2020-15497?

CVE-2020-15497 is a medium-severity vulnerability in Jalios Jcms, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2020-07-17.

How severe is CVE-2020-15497?

Medium severity. CVSS v3 base score is 5.3 out of 10.

XSS in Jalios Jcms

CVE-2020-15497

jcore/portal/ajaxPortal.jsp in Jalios JCMS 10.0.2 build-20200224104759 allows XSS via the types parameter. Note: It is asserted that this vulnerability is not present in the standard installation of Jalios JCMS

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Jalios Jcms — versions 10.0.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.jalios.com/jcms/j_6/en/home (Vendor Advisory)
twitter.com/joker2a1 (Third Party Advisory, Not Applicable)
github.com/Da2Duo (Not Applicable)
pastebin.com/KSJJu5Nx (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-15497?: CVE-2020-15497 is a medium-severity vulnerability in Jalios Jcms, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2020-07-17.
How severe is CVE-2020-15497?: Medium severity. CVSS v3 base score is 5.3 out of 10.