What is CVE-2020-18282?

CVE-2020-18282 is a medium-severity vulnerability in 5none Nonecms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-05-08.

How severe is CVE-2020-18282?

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

XSS in 5none Nonecms

CVE-2020-18282

Cross-site scripting (XSS) vulnerability in NoneCms 1.3.0 allows remote attackers to inject arbitrary web script or HTML via feedback feature.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-05-08 · 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: 0.005 (42.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.0% 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

5none Nonecms — versions 1.3.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/nangge/noneCms/issues/23 (Exploit, Issue Tracking)
github.com/nangge/noneCms (Product)

Frequently asked questions

What is CVE-2020-18282?: CVE-2020-18282 is a medium-severity vulnerability in 5none Nonecms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-05-08.
How severe is CVE-2020-18282?: Medium severity. CVSS v3 base score is 6.1 out of 10.