Security readout for executives and security teams
Plain-English summary
A malicious website could trick a user into a drag-and-drop bookmark interaction that leaks parts of the user’s browser history back to the page. This is a privacy exposure, not a documented code-execution flaw. The provided sources identify affected Mozilla Thunderbird, Firefox, and Firefox ESR versions before the fixed releases.
Executive priority
Treat this as a moderate-priority legacy software cleanup. It can expose browsing history, which may reveal sensitive business activity, but the sources do not indicate active exploitation or system compromise.
Technical view
CVE-2019-11698 allowed crafted hyperlink and bookmark drag-and-drop handling to expose browser history query data through drop event data to web content. Affected versions are Thunderbird before 60.7, Firefox before 67, and Firefox ESR before 60.7. The bundle provides no CVSS, CWE, or detailed exploit telemetry.
Likely exposure
Exposure is most likely where legacy Mozilla Firefox, Firefox ESR, or Thunderbird versions remain installed. Current supported versions should not be affected based on the listed fixed version boundaries.
Exploitation context
The provided bundle does not show CISA KEV listing or any cited source confirming active exploitation. Abuse requires user interaction with a malicious site and drag-and-drop bookmark behavior, limiting scale but still creating sensitive privacy risk.
Researcher notes
The core issue is unintended history-query disclosure through drag-and-drop event data. Evidence is strong for affected products and fixed versions, but incomplete for severity scoring, CWE classification, exploit maturity, and operational mitigations beyond updating.
Mitigation direction
- Upgrade Firefox to version 67 or later.
- Upgrade Firefox ESR to version 60.7 or later.
- Upgrade Thunderbird to version 60.7 or later.
- Check Mozilla advisories for any environment-specific guidance.
- Retire unsupported browser and mail-client versions.
Validation and detection
- Inventory installed Firefox, Firefox ESR, and Thunderbird versions.
- Flag versions below the fixed release boundaries.
- Confirm endpoint management reports match local application versions.
- Review browser usage policies for unsupported legacy versions.
- Document remediation exceptions and compensating controls.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-11698 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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/mfsa2019-13/CVE reference · x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2019-15/CVE reference · x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2019-14/CVE reference · x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1543191CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.