Security readout for executives and security teams
Plain-English summary
CVE-2021-38264 is a reflected cross-site scripting issue in Liferay Portal 7.4.0 and 7.4.1. A remote attacker may inject script or HTML through the management toolbar search keywords parameter. This can expose users to browser-side compromise if they interact with a crafted search URL or page state.
Executive priority
Treat this as a moderate web application risk. It is not known to be actively exploited from the supplied evidence, but affected Liferay versions should be identified and remediated because XSS can support session theft, phishing, and user impersonation scenarios.
Technical view
The Frontend Taglib module fails to fully handle user-controlled input in the management toolbar search keywords parameter. The source describes this as an incomplete fix for CVE-2021-35463. No CVSS score, CWE, patch version, or detailed exploit preconditions are included in the supplied sources.
Likely exposure
Likely exposure is limited to Liferay Portal 7.4.0 and 7.4.1 deployments using the affected management toolbar search functionality. Public reachability, authentication requirements, and affected DXP variants are not established by the provided bundle.
Exploitation context
The source supports remote reflected XSS through a specific search parameter. The bundle does not show CISA KEV listing, active exploitation, public exploit availability, or confirmed in-the-wild attacks.
Researcher notes
The key uncertainty is incomplete vendor detail in the provided bundle. The CVE states affected versions and parameter location, but does not provide CVSS, CWE, authentication context, fixed versions, or exploit maturity. Avoid broad product assumptions beyond Liferay Portal 7.4.0 and 7.4.1.
Mitigation direction
- Inventory Liferay Portal deployments and identify versions 7.4.0 and 7.4.1.
- Review Liferay's advisory for fixed versions or vendor-approved mitigations.
- Prioritize upgrading affected instances once vendor-supported remediation is confirmed.
- Limit access to affected search functionality where operationally feasible.
- Monitor Liferay security advisories for clarification on patched releases.
Validation and detection
- Confirm whether deployed Liferay Portal versions match 7.4.0 or 7.4.1.
- Identify pages using the management toolbar search keywords parameter.
- Review application logs for suspicious keywords parameter values containing script-like markup.
- Validate remediation against vendor guidance before closing the finding.
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
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ATT&CK lookup starting points
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CVE-2021-38264 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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Vulnerability timeline
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- CVE reservedCVE Program
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- CVE publishedCVE Program
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- CVE updatedCVE Program
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ADP provider summaries
Source materials
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CWE details
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