RCE in Hailey888 Oa System

CVE-2025-3390

A vulnerability, which was classified as problematic, was found in hailey888 oa_system up to 2025.01.01. Affected is the function addandchangeday of the file cn/gson/oass/controller/daymanager/DaymanageController.java of the component Backend. The manipulation of the argument scheduleList leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-3390: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-3390?
CVE-2025-3390 is a low-severity vulnerability in Hailey888 Oa System, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-04-08.
How severe is CVE-2025-3390?
Low severity. CVSS v3 base score is 3.5 out of 10.