What is CVE-2025-52023?

CVE-2025-52023 is a medium-severity vulnerability in Aptsys Gemscms Backend, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-01-23.

How severe is CVE-2025-52023?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Aptsys Gemscms Backend

CVE-2025-52023

A vulnerability in the PHP backend of gemscms.aptsys.com.sg thru 2025-05-28 allows unauthenticated remote attackers to trigger detailed error messages that disclose internal file paths, code snippets, and stack traces. This occurs when specially crafted HTTP GET/POST requests are sent to public API endpoints, exposing potentially sensitive information useful for further exploitation. This issue is classified under CWE-209: Information Exposure Through an Error Message.

EPSS: 0.004 (33.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Aptsys Gemscms_backend
N/a — versions n/a

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

cve@mitre.org (Product)
cve@mitre.org (Broken Link)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-52023?: CVE-2025-52023 is a medium-severity vulnerability in Aptsys Gemscms Backend, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-01-23.
How severe is CVE-2025-52023?: Medium severity. CVSS v3 base score is 5.3 out of 10.