What is CVE-2020-21228?

CVE-2020-21228 is a medium-severity vulnerability in Jizhicms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-10-01.

How severe is CVE-2020-21228?

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

XSS in Jizhicms

CVE-2020-21228

JIZHICMS 1.5.1 contains a cross-site scripting (XSS) vulnerability in the component /user/release.html, which allows attackers to arbitrarily add an administrator cookie.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-10-01 · 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: 0.008 (55.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% 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

Jizhicms — versions 1.5.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/Cherry-toto/jizhicms (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/Cherry-toto/jizhicms/issues/16 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-21228?: CVE-2020-21228 is a medium-severity vulnerability in Jizhicms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-10-01.
How severe is CVE-2020-21228?: Medium severity. CVSS v3 base score is 6.1 out of 10.