Stored XSS via executable HTML uploads
Published Mar 20, 2025 · Updated Mar 20, 2025
Stored XSS in AUTOMATIC1111 Stable Diffusion WebUI git 82a973c allows remote attackers to run JavaScript via an uploaded HTML file. The file-upload path returns attacker-controlled HTML as application/html, causing browsers to parse the stored file as active document content. Exploitation requires a victim to open the malicious file link; the script then runs in the victim's browser within the application's security context.
Summary
What happened
Stored XSS in AUTOMATIC1111 Stable Diffusion WebUI git 82a973c allows remote attackers to run JavaScript via an uploaded HTML file. The file-upload path returns attacker-controlled HTML as application/html, causing browsers to parse the stored file as active document content. Exploitation requires a victim to open the malicious file link; the script then runs in the victim's browser within the application's security context.
The record
- CVE
- CVE-2024-12374
- Published
- Mar 20, 2025
- Updated
- Mar 20, 2025
- Vendor
- AUTOMATIC1111
- Product
- Stable Diffusion WebUI
- Classifications
- CWE-79, T1059.007
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 20, 2025CVE publishedPublication date reported by the CVE source.
- Mar 20, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=unspecified <=latest
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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