Security readout for executives and security teams
Plain-English summary
CVE-2022-42117 is a cross-site scripting issue in Liferay’s Frontend Taglib module. An unauthenticated remote attacker could inject script or HTML, but successful impact requires a user to interact with affected content. Business risk is moderate: session data, user actions, or page integrity could be affected, especially on public-facing portals.
Executive priority
Treat as a scheduled but important remediation item. Prioritize externally exposed Liferay sites because XSS can affect user trust, sessions, and portal integrity. Escalate if the portal handles sensitive workflows or high-value authenticated users.
Technical view
The flaw is CWE-79 XSS affecting Liferay Portal 7.3.2 through 7.4.3.16, Liferay DXP 7.3 before update 6, and DXP 7.4 before update 17. CVSS 3.1 is 6.1: network exploitable, low complexity, no privileges required, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is most likely in internet-facing or partner-facing Liferay Portal/DXP sites running the affected versions. Internal portals can also be affected if untrusted users can influence rendered content or lure authenticated users into interacting with malicious content.
Exploitation context
The provided sources do not report active exploitation, and this CVE is not marked CISA KEV in the supplied data. Exploitation would depend on reaching vulnerable Frontend Taglib behavior and inducing user interaction. The available sources do not provide attack details.
Researcher notes
Evidence is limited to CVE and Liferay advisory metadata. The sources identify affected version ranges and CVSS characteristics but do not include detailed root cause, exploit conditions, or proof of exploitation. Avoid assuming broader product impact beyond the listed Liferay Portal and DXP versions.
Mitigation direction
- Identify all Liferay Portal and DXP deployments and versions.
- Upgrade affected Liferay DXP 7.3 systems to update 6 or later.
- Upgrade affected Liferay DXP 7.4 systems to update 17 or later.
- For Liferay Portal, consult Liferay’s advisory for fixed builds beyond affected versions.
- Prioritize public-facing portals and environments with untrusted content contributors.
Validation and detection
- Compare deployed versions against the affected version ranges in the advisory.
- Confirm remediation version or vendor hotfix status in Liferay documentation.
- Review web application security testing results for stored or reflected XSS indicators.
- Monitor vendor guidance for any updated fixes or exploitation information.
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-2022-42117 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.