CVE-2026-2837 Ricerca – advanced search <= 1.1.12 - Authenticated (Administrator+) Stored Cross-Site Scripting via Plugin's Settings

Medium 4.4 Published Updated

Administrators can inject scripts via plugin settings in specific WordPress configurations, leading to stored XSS.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-2837?

CVE-2026-2837 is a medium-severity cross-site scripting vulnerability in systemsrtk Ricerca – advanced search, published on 21 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The Ricerca – advanced search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin's settings in all versions up to, and including, 1.1.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Weakness: CWE-79

Which versions are affected by CVE-2026-2837?

How do I fix CVE-2026-2837?

No fix has been published for CVE-2026-2837 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-2026-2837 being exploited?

There is no known exploitation of CVE-2026-2837 in the wild and no public exploit code.

Sources

Also known as GHSA-hpfx-9vj4-xr9j.

Is CVE-2026-2837 in your software?

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