medium5.4
CVE-2026-12323
Spoofing issue in the DOM: Core & HTML component.
Impact
Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 152.0.0 |
| Mozilla | Thunderbird | before 152.0.0 |