Vulnerability · Published Oct 18, 2026 · Assigned by VulDB
CVE-2026-111984AUTOMATIC1111 stable-diffusion-webui Card Builder ui_extra_networks.py create_item_html cross site scripting
Medium 4.3
In plain English
A medium-severity cross-site scripting in stable-diffusion-webui from AUTOMATIC1111. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AUTOMATIC1111 | stable-diffusion-webui | 1.10.01.10.1 |
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
References
- VDB-421650 | AUTOMATIC1111 stable-diffusion-webui Card Builder ui_extra_networks.py create_item_html cross site scripting vdb-entry, technical-description
- VDB-421650 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-111984 | CVE Analysis and Report third-party-advisory
- Submit #1005460 | AUTOMATIC1111 stable-diffusion-webui 1.10.1 (commit 82a973c04367123ae98bd9abdf80d9eda9b910e2) Cross Site Scripting third-party-advisory
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17497 issue-tracking
- https://github.com/user-attachments/files/32810554/poc.zip exploit
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/ product