CVE-2026-39071 Cross-site scripting in n/a

Medium 5.4 Published Updated

A stored XSS vulnerability in the Spiffy WordPress plugin allows authenticated contributors to execute scripts, potentially leading to account takeover or malicious redirection.

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-2026-39071?

CVE-2026-39071 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Aug 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

WordPress plugin (Spiffy Plugin) before 5.0.9 is affected by Stored Cross-Site Scripting in Event Title field. An authenticated attacker with the lowest privileged role (contributor) can exploit this to redirect user to malicious site or control the account.

Weakness: CWE-79

Which versions are affected by CVE-2026-39071?

How do I fix CVE-2026-39071?

No fix has been published for CVE-2026-39071 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-2026-39071 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-39071 exists.

Sources

Also known as GHSA-4qgr-qvc8-p8wf.

Is CVE-2026-39071 in your software?

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