CVE-2022-38902: A Cross-site scripting (XSS) vulnerability in the Blog module - add new topic functionality in Liferay Digi...
A Cross-site scripting (XSS) vulnerability in the Blog module - add new topic functionality in Liferay Digital Experience Platform 7.3.10 SP3 allows remote attackers to inject arbitrary JS script or HTML into the name field of newly created topic.
Security readout for executives and security teams
Plain-English summary
CVE-2022-38902 is a stored cross-site scripting issue in Liferay DXP 7.3.10 SP3. An authenticated user can place script or HTML in a new Blog topic name, potentially affecting another user who views that content.
Executive priority
Treat as a moderate priority for internet-facing or multi-user portals. It is unlikely to justify emergency response without exploitation evidence, but it can affect user trust and session safety if low-trust users can create Blog topics.
Technical view
The issue is CWE-79 stored XSS in the Blog module's add-new-topic functionality. The CVSS 3.1 score is 5.4 with PR:L, UI:R, scope changed, and low confidentiality and integrity impact. The provided affected-product metadata is incomplete.
Likely exposure
Exposure is most likely where Liferay DXP 7.3.10 SP3 is deployed with the Blog module enabled and users can create topics. Public-facing portals raise business impact if untrusted or low-trust users have topic-creation privileges.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires authenticated access and a victim interaction path, but the payload is stored in application content, so impact can persist until removed or fixed.
Researcher notes
NVD-style affected data in the bundle is sparse, listing vendor and product as n/a despite the description naming Liferay DXP 7.3.10 SP3. Validate against Liferay advisories or Offensity details before scoping broadly.
Mitigation direction
Check Liferay vendor guidance for fixed versions or official mitigations.
Apply the vendor-supported upgrade or patch when confirmed.
Restrict Blog topic creation to trusted users until remediated.
Review and remove suspicious topic names after preserving evidence.
Ensure stored content is encoded or sanitized per vendor recommendations.
Validation and detection
Inventory Liferay DXP deployments and confirm exact versions.
Confirm whether the Blog module is enabled and used.
Review who can create Blog topics in affected sites.
Inspect topic names for unexpected HTML or script-like content safely.
Verify remediation against vendor patch level or advisory guidance.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
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.
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We 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.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-79 · source CWE mapping
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.