Security readout for executives and security teams
Plain-English summary
A vulnerable Nuxt application could let attacker-controlled script run in a user’s browser after user interaction. This is not server takeover, but it can undermine trust in the affected site and expose or alter data visible to the browser.
Executive priority
Treat this as a moderate web application patching issue. Accelerate remediation for public customer-facing Nuxt sites, especially where browser-side data exposure or brand trust matters. Evidence provided does not justify emergency incident response by itself.
Technical view
CVE-2023-0878 is a CWE-79 cross-site scripting issue in GitHub repository nuxt/framework before 3.2.1. CVSS 3.0 is 6.1: network reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is likely limited to applications built with nuxt/framework versions before 3.2.1. Public-facing Nuxt sites that render user-influenced content deserve priority. The bundle does not provide CPEs, affected configurations, or narrower vulnerable components.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector suggests practical web exploitation conditions, but user interaction is required and expected impact is browser-side confidentiality and integrity loss.
Researcher notes
The public bundle identifies the vulnerability class, repository, fixed threshold, CVSS vector, Huntr report, and fixing commit. It does not include exploit details, affected CPEs, vulnerable code path summary, or evidence of exploitation in the wild.
Mitigation direction
- Upgrade affected nuxt/framework deployments to version 3.2.1 or later.
- Review the linked Nuxt commit and vendor guidance for exact remediation scope.
- Prioritize public applications and pages handling user-influenced content.
- Retest affected routes after upgrading to confirm XSS protections remain intact.
Validation and detection
- Inventory applications using nuxt/framework and record deployed versions.
- Confirm no production deployment uses nuxt/framework before 3.2.1.
- Review dependency lockfiles and build artifacts for older Nuxt framework versions.
- Check XSS regression coverage for user-influenced rendered content.
- Monitor vendor advisories for clarifications on affected configurations.
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-2023-0878 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 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/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.
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:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.1MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.