CVE-2024-12374: A stored cross-site scripting (XSS) vulnerability exists in automatic1111/stable-diffusion-webui version git 8

Routine

MEDIUM 6.1DOWNGRADE

CVE-2024-12374 is a medium-severity flaw (CVSS 6.1) affecting stable-diffusion-webui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stored cross-site scripting (XSS) vulnerability exists in automatic1111/stable-diffusion-webui version git 82a973c. An attacker can upload an HTML file, which the application interprets as content-type application/html. If a victim accesses the malicious link, it will execute arbitrary JavaScript in the victim's browser.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-03-20
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: automatic1111

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-20 10:15 UTCPublished CVE record published
2026-06-17 06:59 UTCUpdated Record last modified

automatic1111 stable-diffusion-webui DOWNGRADE

Affected: 2024-07-27

Fixed in: no fixed release known

Safe to downgrade to: a release before 2024-07-27

1. Check installed version

apt-cache policy stable-diffusion-webui || rpm -q stable-diffusion-webui || stable-diffusion-webui --version

2. No fixed release: DOWNGRADE to a release before 2024-07-27 (Debian / Ubuntu)

apt-cache madison stable-diffusion-webui sudo apt install stable-diffusion-webui=<VERSION_BEFORE_2024-07-27> sudo apt-mark hold stable-diffusion-webui

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list stable-diffusion-webui sudo dnf downgrade stable-diffusion-webui-<VERSION_BEFORE_2024-07-27> sudo dnf versionlock add stable-diffusion-webui

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-12374?

stable-diffusion-webui: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-12374 being exploited?

CVE-2024-12374 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-12374 affect?

CVE-2024-12374 affects stable-diffusion-webui. Severity is medium (CVSS 6.1). A stored cross-site scripting (XSS) vulnerability exists in automatic1111/stable-diffusion-webui version git 82a973c. An attacker can upload an HTML file, which the application interprets as content-type application/html. If a victim access

How urgent is CVE-2024-12374?

Priority 36/100. Public exploit reference

Software pages

Git vulnerabilities

Related CVEs

CVE-2024-12375 MEDIUM 6.5 DOWNGRADE A local file inclusion vulnerability was identified in automatic1111/stable-diffusion-webui, affecting version
CVE-2024-12074 MEDIUM 6.5 DOWNGRADE A Denial of Service (DoS) vulnerability was discovered in the file upload feature of automatic1111/stable-diff
CVE-2024-11045 CRITICAL 9.6 DOWNGRADE A Cross-Site WebSocket Hijacking (CSWSH) vulnerability in automatic1111/stable-diffusion-webui version 1.10.0
CVE-2024-11044 MEDIUM 6.1 DOWNGRADE An open redirect vulnerability in automatic1111/stable-diffusion-webui version 1.10.0 allows a remote unauthen
CVE-2024-10935 HIGH 7.5 DOWNGRADE automatic1111/stable-diffusion-webui version 1.10.0 contains a vulnerability where the server fails to handle

References

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