CVE-2021-38263: Cross-site scripting (XSS) vulnerability in the Server module's script console in Liferay Portal 7.3.2 and...
Cross-site scripting (XSS) vulnerability in the Server module's script console in Liferay Portal 7.3.2 and earlier, and Liferay DXP 7.0 before fix pack 101, 7.1 before fix pack 20 and 7.2 before fix pack 10 allows remote attackers to inject arbitrary web script or HTML via the output of a script.
Security readout for executives and security teams
Plain-English summary
This vulnerability lets a remote attacker inject web script or HTML through output shown in Liferay's Server module script console. If triggered by a user in the affected interface, it could run attacker-controlled browser code in that user's session.
Executive priority
Treat this as a near-term remediation item for affected Liferay environments, especially shared or externally reachable portals. It is not KEV-listed in the provided data, but XSS in an administrative server interface can create session and trust-boundary risk.
Technical view
CVE-2021-38263 is a cross-site scripting issue in the Server module script console. The affected range is Liferay Portal 7.3.2 and earlier, plus Liferay DXP 7.0 before fix pack 101, 7.1 before fix pack 20, and 7.2 before fix pack 10.
Likely exposure
Exposure is most likely for organizations running the listed Liferay Portal or DXP versions where the Server module script console is present and accessible. The provided sources do not define required privileges, deployment exposure, or default reachability.
Exploitation context
The source bundle states remote attackers can inject arbitrary web script or HTML via script output. There is no KEV listing and no provided evidence of active exploitation, public exploit tooling, or exploitation at scale.
Researcher notes
The record lacks CVSS, CWE, privilege requirements, and detailed exploit preconditions. Analysis should stay tied to the vendor advisory and LPE-17061. Do not assume active exploitation or broader product impact without additional cited evidence.
Mitigation direction
Apply Liferay DXP fix packs beyond the vulnerable thresholds listed in the advisory.
Upgrade Liferay Portal installations beyond 7.3.2 if still running affected versions.
Check Liferay's advisory and issue tracker for exact vendor remediation guidance.
Limit access to the Server module script console until remediation is complete.
Prioritize systems exposed to untrusted users or shared administrative workflows.
Validation and detection
Inventory Liferay Portal and DXP versions across production and staging systems.
Confirm whether affected systems are below the listed fixed Liferay DXP fix packs.
Review who can access the Server module script console.
Test remediation by verifying the installed version or fix pack level.
Monitor application logs for suspicious script console activity where logging exists.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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-2021-38263 mapping review
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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.
0CVSS vectors
3Timeline events
1ADP providers
3Source links
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
CVE publishedCVE Program
The CVE record was published.
Mar 2, 2022, 23:10 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.