Security readout for executives and security teams
Mailbird 2.0.16.0 and earlier reportedly mishandles crafted URLs in email message bodies, allowing injected script or HTML. The business risk is limited to environments using this older Mailbird client, but a malicious email could create client-side compromise risk if rendered or interacted with. Exposure is likely limited to endpoints still running Mailbird 2.0.16.0 or earlier. Organizations not using Mailbird, or using a later supported version, are unlikely to be affected based on the provided sources. Prioritize this as a targeted endpoint hygiene issue, not an enterprise-wide emergency unless Mailbird is deployed broadly. Confirm usage first, then remediate affected legacy clients because email-delivered XSS can create user-driven compromise paths. Mitigation focus: Inventory endpoints for Mailbird 2.0.16.0 or earlier.; Check Mailbird vendor guidance or release notes for supported fixed versions.; Remove or replace unsupported affected Mailbird installations..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2015-4657 mapping review
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Open ATT&CK lookup- Severity
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- Known Exploited
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CNA and ADP enrichment extracted from CVE v5
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Source materials
- CVE List V5 sourceCVE List V5
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