What is CVE-2022-27090?

CVE-2022-27090 is a medium-severity vulnerability in Chshcms Cscms, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2022-03-21.

How severe is CVE-2022-27090?

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

Open Redirect in Chshcms Cscms

CVE-2022-27090

Cscms Music Portal System v4.2 was discovered to contain a redirection vulnerability via the backurl parameter.

Vulnerability class: Open Redirect

Published 2022-03-21 · 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: 0.004 (33.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Chshcms Cscms — versions 4.2

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

gitee.com/shenshaoqing/cms/issues/I4X3F9 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-27090?: CVE-2022-27090 is a medium-severity vulnerability in Chshcms Cscms, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2022-03-21.
How severe is CVE-2022-27090?: Medium severity. CVSS v3 base score is 5.4 out of 10.