XSS in Wellchoose Organization Portal System
CVE-2025-8911
Organization Portal System developed by WellChoose has a Reflected Cross-site Scripting vulnerability, allowing unauthenticated remote attackers to execute arbitrary JavaScript codes in user's browser through phishing attacks.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-10321-3cae5-1.html (Third Party Advisory, third-party-advisory)
- www.twcert.org.tw/en/cp-139-10325-70192-2.html (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-8911?
- CVE-2025-8911 is a medium-severity vulnerability in Wellchoose Organization Portal System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-13.
- How severe is CVE-2025-8911?
- Medium severity. CVSS v3 base score is 6.1 out of 10.