Security readout for executives and security teams
Plain-English summary
This is a cross-site scripting flaw in Liferay's Document Library. An attacker could cause a user to load attacker-controlled script or HTML through a redirect parameter. Business impact is mainly session misuse, data exposure within the user's permissions, or portal content manipulation, not server takeover.
Executive priority
Prioritize remediation on externally accessible Liferay portals and environments used by privileged staff. This is not described as critical or actively exploited, but XSS in a business portal can still expose user data and support account misuse.
Technical view
CVE-2022-42113 is CWE-79 XSS affecting Liferay Portal 7.4.3.30 through 7.4.3.36 and Liferay DXP 7.4 update 30 through update 36. CVSS 3.1 is 6.1: network-reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact.
Likely exposure
Exposure is most likely where affected Liferay Portal or DXP versions expose Document Library workflows to users. Internet-facing portals increase business risk. The source bundle's structured affected CPE data is not populated, so inventory must rely on product and version details in the description.
Exploitation context
The bundle does not cite active exploitation, and KEV is false. Exploitation would require a user interaction path consistent with reflected or stored XSS behavior. Treat public portals, authenticated document-sharing areas, and high-privilege user workflows as higher priority.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, CWE-79 classification, KEV false status, and Liferay advisory URL. No exploit evidence, patch version, or detailed attack path is included in the supplied bundle.
Mitigation direction
- Identify Liferay Portal and DXP instances and their exact update levels.
- Check Liferay's advisory for the vendor-designated fixed release or mitigation.
- Upgrade affected instances according to Liferay guidance.
- Reduce exposure of Document Library workflows until remediation is complete.
- Review redirect handling and XSS defenses in custom Liferay extensions.
Validation and detection
- Confirm whether any instance runs the affected Liferay version ranges.
- Verify whether the Document Library module is enabled and user-accessible.
- Check whether affected portals are internet-facing or limited to trusted networks.
- Review vendor advisory status before declaring remediation complete.
- After updating, confirm the deployed version is outside the affected range.
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.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-42113 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.