CVE-2026-45228 Quark Drive (quark-auto-save) < 0.8.5 Stored XSS via System Configuration
Authenticated attackers can inject JavaScript via system configuration keys, leading to session hijacking and arbitrary actions for other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-45228?
CVE-2026-45228 is a medium-severity cross-site scripting vulnerability in Cp0204 quark-auto-save, published on 13 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-45228?
How do I fix CVE-2026-45228?
No fix has been published for CVE-2026-45228 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-45228 being exploited?
There is no known exploitation of CVE-2026-45228 in the wild and no public exploit code.
Sources
Also known as GHSA-x5pg-vffv-c3g7.