What is CVE-2023-27090?

CVE-2023-27090 is a medium-severity vulnerability in Teacms Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-20.

How severe is CVE-2023-27090?

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

XSS in Teacms Project

CVE-2023-27090

Cross Site Scripting vulnerability found in TeaCMS storage allows attacker to cause a leak of sensitive information via the article title parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-04-20 · 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 (34.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.6% 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

Teacms Project — versions 4.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

gitee.com/xiaobingby/TeaCMS/issues/I6GDDN (Exploit, Third Party Advisory)
gitee.com/xiaobingby/TeaCMS/issues/I6L9Z2 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-27090?: CVE-2023-27090 is a medium-severity vulnerability in Teacms Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-20.
How severe is CVE-2023-27090?: Medium severity. CVSS v3 base score is 5.4 out of 10.