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.
Conclusion & alert: CVE-2025-52023 is rated Low Risk (26.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-24 | 0.01% | 0.05% | +0.04% |
| 2 | 2026-01-24 | — | 0.01% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| aptsys | gemscms_backend | <= 2025-05-28 | cpe:2.3:a:aptsys:gemscms_backend:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://aptsys.com | Product |
| http://gemscms.com | Broken Link |
| https://gist.github.com/ReverseThatApp/4a6be2b9b2ba39d38c35c8753e0afd39 | Third Party Advisory |