What is CVE-2020-18116?

CVE-2020-18116 is a high-severity vulnerability in Youdiancms, classified under SQL Injection. CVSS score: 8.8/10. Published 2021-08-27.

How severe is CVE-2020-18116?

High severity. CVSS v3 base score is 8.8 out of 10.

SQL Injection in Youdiancms

CVE-2020-18116

A lack of filtering for searched keywords in the search bar of YouDianCMS 8.0 allows attackers to perform SQL injection.

Vulnerability class: SQL Injection

Published 2021-08-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Youdiancms — versions 8.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

blog.csdn.net/qq_36093477/article/details/98035255 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-18116?: CVE-2020-18116 is a high-severity vulnerability in Youdiancms, classified under SQL Injection. CVSS score: 8.8/10. Published 2021-08-27.
How severe is CVE-2020-18116?: High severity. CVSS v3 base score is 8.8 out of 10.