CVE-2025-15396 Library Viewer < 3.2.0 - Reflected Cross-Site Scripting

High 7.1 Published Updated

Reflected XSS in Library Viewer plugin allows attackers to execute scripts against admins, potentially leading to account takeover.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-15396?

CVE-2025-15396 is a high-severity cross-site scripting vulnerability in Unknown Library Viewer, published on 2 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Library Viewer WordPress plugin before 3.2.0 does not sanitise and escape some parameters before outputting them back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Weakness: CWE-79

Which versions are affected by CVE-2025-15396?

How do I fix CVE-2025-15396?

No fix has been published for CVE-2025-15396 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-2025-15396 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15396 exists.

Sources

Also known as GHSA-94gf-82q2-rv5g.

Is CVE-2025-15396 in your software?

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