A vulnerability, which was classified as problematic, has been found in hailey888 oa_system up to 2025.01.01. This issue affects the function testMess of the file cn/gson/oasys/controller/inform/InformManageController.java of the component Backend. The manipulation of the argument menu leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable.
Conclusion & alert: CVE-2025-3389 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 0.40% | 0.24% | -0.16% |
| 2 | 2026-05-19 | 0.34% | 0.40% | +0.06% |
| 3 | 2026-05-17 | — | 0.34% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 4.0 | MEDIUM |
|
— | — | [email protected] |
| 3.5 | 3.1 | LOW |
|
2.1 | 1.4 | [email protected] |
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| https://gitee.com/hailey888/oa_system/issues/IBRQXH | Exploit Issue Tracking |
| https://vuldb.com/?ctiid.303635 | Permissions Required VDB Entry |
| https://vuldb.com/?id.303635 | Third Party Advisory VDB Entry |