What is CVE-2020-19915?

CVE-2020-19915 is a medium-severity vulnerability in Wuzhicms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-20.

How severe is CVE-2020-19915?

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

XSS in Wuzhicms

CVE-2020-19915

Cross Site Scripting (XSS vulnerability exists in WUZHI CMS 4.1.0 via the mailbox username in index.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-09-20 · 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: 0.008 (55.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Wuzhicms — versions 4.1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/wuzhicms/wuzhicms/issues/173 (Exploit, Third Party Advisory)
gist.github.com/feixuezhi/7a1b117e1a4800efb3b6fffe76ca0e97 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-19915?: CVE-2020-19915 is a medium-severity vulnerability in Wuzhicms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-20.
How severe is CVE-2020-19915?: Medium severity. CVSS v3 base score is 6.1 out of 10.