What is CVE-2020-18324?

CVE-2020-18324 is a medium-severity vulnerability in Intelliants Subrion Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-03-04.

How severe is CVE-2020-18324?

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

Is CVE-2020-18324 known to be exploited?

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

XSS in Intelliants Subrion Cms

CVE-2020-18324

Cross Site Scripting (XSS) vulnerability exists in Subrion CMS 4.2.1 via the q parameter in the Kickstart template.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-03-04 · last modified 2026-07-09.

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: 0.022 (81.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Intelliants Subrion Cms — versions 4.2.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
github.com/hamm0nz/CVE-2020-18324 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-18324?: CVE-2020-18324 is a medium-severity vulnerability in Intelliants Subrion Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-03-04.
How severe is CVE-2020-18324?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-18324 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.