What is CVE-2020-28091?

CVE-2020-28091 is a high-severity vulnerability in Cxuu Cxuucms, classified under SQL Injection. CVSS score: 7.5/10. Published 2020-11-18.

How severe is CVE-2020-28091?

High severity. CVSS v3 base score is 7.5 out of 10.

SQL Injection in Cxuu Cxuucms

CVE-2020-28091

cxuucms v3 has a SQL injection vulnerability, which can lead to the leakage of all database data via the keywords parameter via search.php.

Vulnerability class: SQL Injection

Published 2020-11-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.038 (89.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000

Affected products

Cxuu Cxuucms — versions 3.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/cbkhwx/cxuucmsv3/issues/1 (Exploit, Third Party Advisory)
packetstormsecurity.com/files/160129/xuucms-3-SQL-Injection.html (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-28091?: CVE-2020-28091 is a high-severity vulnerability in Cxuu Cxuucms, classified under SQL Injection. CVSS score: 7.5/10. Published 2020-11-18.
How severe is CVE-2020-28091?: High severity. CVSS v3 base score is 7.5 out of 10.