What is CVE-2020-16632?

CVE-2020-16632 is a medium-severity vulnerability in Dedecms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-05-15.

How severe is CVE-2020-16632?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Dedecms

CVE-2020-16632

A XSS Vulnerability in /uploads/dede/action_search.php in DedeCMS V5.7 SP2 allows an authenticated user to execute remote arbitrary code via the keyword parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-05-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.7% 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

Dedecms — versions 5.7

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/ky-j/dedecms/issues/12 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-16632?: CVE-2020-16632 is a medium-severity vulnerability in Dedecms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-05-15.
How severe is CVE-2020-16632?: Medium severity. CVSS v3 base score is 5.4 out of 10.