What is CVE-2026-12580?

CVE-2026-12580 is a medium-severity vulnerability in Digiwin Easyflow .Net, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-22.

How severe is CVE-2026-12580?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Digiwin Easyflow .Net

CVE-2026-12580

EasyFlow .NET developed by Digiwin has a Stored Cross-Site Scripting vulnerability, allowing authenticated remote attackers to inject persistent JavaScript code executed in users' browsers upon page load.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-06-22 · last modified 2026-06-22.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.3% 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

Digiwin Easyflow .Net — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.twcert.org.tw/tw/cp-132-10980-0e640-1.html (third-party-advisory)
www.twcert.org.tw/en/cp-139-10981-8617d-2.html (third-party-advisory)

Frequently asked questions

What is CVE-2026-12580?: CVE-2026-12580 is a medium-severity vulnerability in Digiwin Easyflow .Net, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-22.
How severe is CVE-2026-12580?: Medium severity. CVSS v3 base score is 5.4 out of 10.