CVE-2026-1401 Tune Library <= 1.6.3 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting via CSV Import
Authenticated attackers can inject malicious scripts via CSV import in Tune Library, leading to stored XSS and potential account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1401?
CVE-2026-1401 is a medium-severity cross-site scripting vulnerability in jackdewey Tune Library, published on 6 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Tune Library plugin for WordPress is vulnerable to Stored Cross-Site Scripting via CSV import in all versions up to, and including, 1.6.3. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the injected page. The vulnerability exists because the CSV import functionality lacks authorization checks and doesn't sanitize imported data, which is later rendered without escaping through the [tune-library] shortcode.
Weakness: CWE-79
Which versions are affected by CVE-2026-1401?
How do I fix CVE-2026-1401?
No fix has been published for CVE-2026-1401 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-2026-1401 being exploited?
There is no known exploitation of CVE-2026-1401 in the wild and no public exploit code.
Sources
Also known as GHSA-2hm9-gmg4-99ff.