What is CVE-2020-18413?

CVE-2020-18413 is a medium-severity vulnerability in Chaoji Cms Project, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-06-27.

How severe is CVE-2020-18413?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Chaoji Cms Project

CVE-2020-18413

Stored cross site scripting (XSS) vulnerability in /index.php?admin-master-navmenu-add of Chaoji CMS v2.18 that allows attackers to execute arbitrary code.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Chaoji Cms Project — versions 2.18

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/GodEpic/chaojicms/issues/5 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2020-18413?: CVE-2020-18413 is a medium-severity vulnerability in Chaoji Cms Project, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-06-27.
How severe is CVE-2020-18413?: Medium severity. CVSS v3 base score is 4.8 out of 10.