Security readout for executives and security teams
This Firefox flaw allowed an SVG image loaded with an HTML image tag to set cookies for the page using embedded meta tags. The documented affected range is Firefox before version 57. Business risk is mainly legacy-browser exposure: cookie manipulation can undermine site state or user trust, but the provided sources do not show active exploitation. Exposure is most likely where users still run Firefox versions earlier than 57. Modern supported Firefox versions should not be in the documented affected range. Server-side exposure depends on whether users can encounter attacker-controlled SVG images in pages they visit. Treat this as a legacy-browser hygiene issue unless your environment still permits Firefox before 57. Prioritize removal or upgrade of obsolete browsers, especially for users accessing sensitive applications that rely on cookies. Mitigation focus: Ensure Firefox is upgraded to version 57 or later.; Remove unsupported legacy Firefox from managed endpoints.; Check Mozilla advisory guidance before defining compensating controls..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2017-7837 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.mozilla.org/security/advisories/mfsa2017-24/CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1325923CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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