Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in Liferay’s Blogs module. An attacker who can reach the affected blog-entry edit workflow may place script or HTML into title or subtitle fields, creating browser-side risk for users who later handle that content.
Executive priority
Treat this as a targeted remediation item, not an emergency based on available evidence. Prioritize internet-facing or multi-author Liferay sites because stored XSS can affect user trust and session safety.
Technical view
CVE-2021-38267 affects Liferay Portal 7.3.2 through 7.3.6 and Liferay DXP 7.3 before fix pack 2. The vulnerable parameters are _com_liferay_blogs_web_portlet_BlogsAdminPortlet_title and _com_liferay_blogs_web_portlet_BlogsAdminPortlet_subtitle on the Blogs edit entry page.
Likely exposure
Exposure is most likely in organizations running the affected Liferay versions with the Blogs module enabled and blog editing available to untrusted or lower-trust users. Public or partner-facing authoring portals deserve faster review.
Exploitation context
The source describes remote injection of arbitrary web script or HTML. The bundle does not include CVSS, CWE, proof-of-concept details, or evidence of active exploitation, and KEV status is false.
Researcher notes
The public bundle gives affected versions, vulnerable parameters, and fixed DXP boundary, but lacks scoring and exploit telemetry. Avoid assuming broader Liferay components are affected without vendor confirmation.
Mitigation direction
- Apply Liferay DXP 7.3 fix pack 2 or later where applicable.
- Upgrade Liferay Portal deployments beyond affected 7.3.2 through 7.3.6 versions.
- Review Liferay’s advisory for product-specific fixed builds and operational guidance.
- Restrict blog editing privileges to trusted users until remediation is complete.
- Monitor recent blog title and subtitle changes for suspicious HTML or script content.
Validation and detection
- Inventory Liferay Portal and DXP versions across production and staging.
- Confirm whether the Blogs module is enabled on affected systems.
- Review access controls for blog-entry creation and editing workflows.
- Check recent blog entries for unexpected markup in title or subtitle fields.
- Verify the installed fix pack or upgraded version after maintenance.
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-2021-38267 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
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
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ADP provider summaries
Source materials
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.