Security readout for executives and security teams
Plain-English summary
This CVE is a cross-site scripting issue in Liferay’s Asset module edit vocabulary page. An attacker could inject script or HTML through specific name parameters, potentially affecting users who view the manipulated page. The source bundle does not provide CVSS scoring or confirmed exploitation.
Executive priority
Prioritize remediation for internet-facing or broadly accessible Liferay systems, especially where non-admin users can reach content or asset management workflows. Lower urgency may be reasonable for isolated systems with tightly controlled administrative access.
Technical view
CVE-2021-33328 affects Liferay Portal 7.0.0 through 7.3.4 and Liferay DXP 7.0 before FP96, 7.1 before FP20, and 7.2 before FP9. The issue is XSS in the Asset module edit vocabulary page via JournalPortlet_name or DLAdminPortlet_name parameters.
Likely exposure
Exposure is most likely where affected Liferay Portal or DXP versions are still deployed and the relevant edit vocabulary workflow is reachable by users beyond trusted administrators.
Exploitation context
The bundle marks KEV as false and provides no cited evidence of active exploitation. The described impact is script or HTML injection, but source evidence does not establish exploit prevalence, authentication requirements, or attacker prerequisites.
Researcher notes
The source bundle is sparse: no CVSS, CWE, authentication detail, exploitability notes, or full fix mapping for Portal editions are provided. Treat version confirmation and vendor advisory review as the primary validation path.
Mitigation direction
- Inventory Liferay Portal and DXP versions against the affected ranges.
- Apply the named DXP fix packs where applicable.
- For Portal versions, check Liferay advisory guidance for the supported upgrade path.
- Restrict access to vocabulary editing workflows to trusted administrators.
- Monitor application logs for suspicious submissions to the named parameters.
Validation and detection
- Confirm installed Liferay version and DXP fix pack level.
- Verify whether Asset vocabulary editing is exposed to untrusted users.
- Review logs for unusual input in the affected name parameters.
- Check whether any vocabulary or related content contains unexpected script or HTML.
- Document remediation status in vulnerability tracking.
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
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CVE-2021-33328 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
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://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120747972CVE reference · x_refsource_CONFIRM
- https://issues.liferay.com/browse/LPE-17100CVE reference · x_refsource_CONFIRM
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.