CVE-2025-52023

EUVD-2026-4255

23.01.2026, 21:15

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	5.3 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA-ADP	ADP	5.3 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 13%

Affected Products (NVD)

Vendor	Product	Version
aptsys	gemscms_backend	𝑥 ≤ 2025-05-28

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-209 - Generation of Error Message Containing Sensitive Information
The software generates an error message that includes sensitive information about its environment, users, or associated data.

References

http://aptsys.com

http://gemscms.com

https://gist.github.com/ReverseThatApp/4a6be2b9b2ba39d38c35c8753e0afd39