What is CVE-2023-27091?

CVE-2023-27091 is a high-severity vulnerability in Teacms Project, classified under Improper Authentication. CVSS score: 7.2/10. Published 2023-04-04.

How severe is CVE-2023-27091?

High severity. CVSS v3 base score is 7.2 out of 10.

Auth bypass in Teacms Project

CVE-2023-27091

An unauthorized access issue found in XiaoBingby TeaCMS 2.3.3 allows attackers to escalate privileges via the id and keywords parameter(s).

Vulnerability class: Broken Authentication

Published 2023-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Teacms Project — versions 2.3.3

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

gitee.com/xiaobingby/TeaCMS/issues/I6GDRU (Exploit, Third Party Advisory, Issue Tracking)
gitee.com/xiaobingby/TeaCMS/issues/I6SXAF (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2023-27091?: CVE-2023-27091 is a high-severity vulnerability in Teacms Project, classified under Improper Authentication. CVSS score: 7.2/10. Published 2023-04-04.
How severe is CVE-2023-27091?: High severity. CVSS v3 base score is 7.2 out of 10.