What is CVE-2020-18654?

CVE-2020-18654 is a medium-severity vulnerability in Wuzhicms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-22.

How severe is CVE-2020-18654?

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

XSS in Wuzhicms

CVE-2020-18654

Cross Site Scripting (XSS) in Wuzhi CMS v4.1.0 allows remote attackers to execute arbitrary code via the "Title" parameter in the component "/coreframe/app/guestbook/myissue.php".

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-06-22 · 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: 0.015 (73.3th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Wuzhicms — versions 4.1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/wuzhicms/wuzhicms/issues/174 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-18654?: CVE-2020-18654 is a medium-severity vulnerability in Wuzhicms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-22.
How severe is CVE-2020-18654?: Medium severity. CVSS v3 base score is 6.1 out of 10.