Exposure of Resource to Wrong Sphere Affecting Firefox package, versions [,141.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published20 Aug 2025
- disclosed19 Aug 2025
- creditAxel Chong
Introduced: 19 Aug 2025
NewCVE-2025-8042 (opens in a new tab)How to fix?
Upgrade Firefox to version 141.0 or higher.
Overview
Affected versions of this package are vulnerable to Exposure of Resource to Wrong Sphere via the handling of sandboxed iframes without the allow-downloads attribute. An attacker can initiate unauthorized downloads by embedding a sandboxed iframe and triggering download actions.