CVE-2026-1592 Stored XSS via Create New Layer Field found in Foxit PDF Editor Cloud

Medium 6.3 Published 3 Feb 2026 Updated 4 Feb 2026

Attackers can execute arbitrary JavaScript in Foxit PDF Editor Cloud via unsanitized input in the Create New Layer feature, potentially compromising user sessions.

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-2026-1592?

CVE-2026-1592 is a medium-severity cross-site scripting vulnerability in pdfonline.foxit.com, published on 3 Feb 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

Foxit PDF Editor Cloud (pdfonline) contains a stored cross-site scripting vulnerability in the Create New Layer feature. Unsanitized user input is embedded into the HTML output, allowing arbitrary JavaScript execution when the layer is referenced.

This issue affects pdfonline.foxit.com: before 2026‑02‑03.

Weakness: CWE-79

Which versions are affected by CVE-2026-1592?

It affects 1 product.

Products include Foxit Pdf Editor Cloud.

How do I fix CVE-2026-1592?

No fix has been published for CVE-2026-1592 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-2026-1592 being exploited?

There is no known exploitation of CVE-2026-1592 in the wild and no public exploit code.

Sources

Also known as GHSA-2whf-r4r4-c662.