User Interface (UI) Misrepresentation of Critical Information Affecting thunderbird-ESR package, versions [,128.9.2)
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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Test your applications- Snyk IDSNYK-UNMANAGED-THUNDERBIRDESR-9788171
- published21 Apr 2025
- disclosed15 Apr 2025
- creditDario Weißer
Introduced: 15 Apr 2025
NewCVE-2025-3523 (opens in a new tab)How to fix?
Upgrade thunderbird-ESR to version 128.9.2 or higher.
Overview
Affected versions of this package are vulnerable to User Interface (UI) Misrepresentation of Critical Information via the X-Mozilla-External-Attachment-URL header. An attacker can trick users into downloading content from untrusted sources by exploiting the misleading hover text which displays only the last link regardless of the attachment hovered over.