---
title: "CVE-2026-106102: Quasar Framework: Stored/Reflected XSS via unescaped SSR meta tag rendering in getHead()"
url: https://erroneo.us/security/cve/CVE-2026-106102/
description: "CVE-2026-106102 (quasar (npm)): Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to 2.22.0, the SSR-only…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-10-06
date_modified: 2026-10-07
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-106102"
kev: false
cvss: 10
epss: 0.00299
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-106102: Quasar Framework: Stored/Reflected XSS via unescaped SSR meta tag rendering in getHead()

**Signal:** Critical and remotely reachable. No known exploitation yet, but it is network-reachable without credentials. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- No confirmed exploitation. It is not in CISA’s KEV catalog and CISA’s SSVC assessment records no known exploitation. That can change quickly after a public write-up; re-check if you are affected.
- EPSS 0.3% , percentile 21: FIRST’s model estimates a 0.3% chance of exploitation activity in the next 30 days, higher than 21% of all scored CVEs (low). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
- Only applies if your dependency tree includes quasar (npm) < 2.22.0, fixed in 2.22.0 . Check your lockfile, including transitive dependencies.

## What it is

Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to 2.22.0, the SSR-only getHead() serializer in ui/src/plugins/meta/Meta.js used getAttr() to interpolate values supplied through useMeta() into title, meta, link, and script markup without HTML text or quoted-attribute encoding. injectServerMeta() appended that output to the raw server-rendered response. An attacker who can influence dynamic page metadata, such as a post title, product name, excerpt, or display name, can terminate the intended HTML context and inject executable markup before hydration. The client-side apply() path is not affected because it uses DOM APIs that encode attributes. This issue is fixed in version 2.22.0.

## Affected packages

- npm `quasar` < 2.22.0 → fixed: 2.22.0

## Affected products (CVE record)

- quasarframework quasar: < 2.22.0

## Severity

- GitHub_M CVSS 3.1: 10 `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N`
- GitHub CVSS 3.1: 10.0 `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation none , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.30% probability of exploitation activity in the next 30 days; percentile 21.

## Sources

- [GitHub Advisory GHSA-pq96-jpmf-w254](https://github.com/advisories/GHSA-pq96-jpmf-w254)
- [CVE.org record CVE-2026-106102](https://www.cve.org/CVERecord?id=CVE-2026-106102)
- [NVD entry CVE-2026-106102](https://nvd.nist.gov/vuln/detail/CVE-2026-106102)
- [github.com](https://github.com/quasarframework/quasar/security/advisories/GHSA-pq96-jpmf-w254)
- [github.com](https://github.com/quasarframework/quasar/commit/11505afe5b5218f2c468f130181815b898fd1e40)
- [github.com](https://github.com/quasarframework/quasar/releases/tag/quasar-v2.22.0)

---
Source page: https://erroneo.us/security/cve/CVE-2026-106102/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt