# CVE-2026-1429: WellChoose｜Single Sign-On Portal System - Reflected Cross-site Scripting

> Authenticated attackers can execute arbitrary JavaScript in user browsers via reflected XSS in the WellChoose Single Sign-On Portal System.

- **Severity:** Medium 4.8 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 26 Jan 2026
- **Updated:** 26 Jan 2026
- **Also known as:** GHSA-c6cx-98fx-j4rp

## What is CVE-2026-1429?

CVE-2026-1429 is a medium-severity cross-site scripting vulnerability in WellChoose Single Sign-On Portal System, published on 26 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official 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.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-1429?

It affects 1 product.


Products: Wellchoose Single Sign-on Portal System.

## How do I fix CVE-2026-1429?

No fix has been published for CVE-2026-1429 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-1429 being exploited?

There is no known exploitation of CVE-2026-1429 in the wild and no public exploit code.

## Other vulnerabilities in WellChoose Single Sign-On Portal System

- [CVE-2026-1427](https://insights.sbomify.com/CVE-2026-1427/): WellChoose｜Single Sign-On Portal System - OS Command Injection (high 8.7)
- [CVE-2026-1428](https://insights.sbomify.com/CVE-2026-1428/): WellChoose｜Single Sign-On Portal System - OS Command Injection (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-1429 and fix it if it is affected.

What it is: CVE-2026-1429 is a medium-severity cross-site scripting vulnerability in WellChoose Single Sign-On Portal System, published on 26 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-1429 in the wild and no public exploit code.

Affected product: WellChoose Single Sign-On Portal System. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-1429/ (Markdown: https://insights.sbomify.com/CVE-2026-1429/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-1429
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1429
- OSV: https://osv.dev/vulnerability/CVE-2026-1429

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-1429/
Summaries are generated and may contain mistakes; the official description above is the record.