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Vulnerability record · CVE-2026-1429 · published 26 January 2026

CVE-2026-1429: Wellchoose single sign-on portal system cross-site scripting vulnerability

Wellchoose · Single Sign On Portal System

Single Sign-On Portal System developed by WellChoose has a Reflected Cross-site Scripting vulnerability, allowing authenticated remote attackers to execute arbitrary JavaScript codes in user's browser through phishing attacks.

4.8 CVSS 4.0 Medium EPSS 0.25% · top 85.7% CWE-79 · Cross-site scripting
4.8CVSS 4.0 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Single Sign-On Portal System developed by WellChoose has a Reflected Cross-site Scripting vulnerability, allowing authenticated remote attackers to execute arbitrary JavaScript codes in user's browser through phishing attacks.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.twcert.org.tw/en/cp-139-10655-59160-2.html Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-10654-23f40-1.html Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-1429), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.