CVE-2025-39374 WordPress Best Posts Summary plugin <= 1.0 - CSRF to Stored XSS vulnerability

High 7.1 Published Updated

A CSRF vulnerability in the Best Posts Summary WordPress plugin allows attackers to inject stored XSS payloads, potentially leading to session hijacking or malicious script execution.

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-2025-39374?

CVE-2025-39374 is a high-severity cross-site scripting vulnerability in aseem1234 Best Posts Summary, published on 19 May 2025. 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

Cross-Site Request Forgery (CSRF) vulnerability in aseem1234 Best Posts Summary best-posts-summary allows Stored XSS.This issue affects Best Posts Summary: from n/a through <= 1.0.

Weakness: CWE-352

Which versions are affected by CVE-2025-39374?

How do I fix CVE-2025-39374?

No fix has been published for CVE-2025-39374 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-2025-39374 being exploited?

There is no known exploitation of CVE-2025-39374 in the wild and no public exploit code.

Sources

Also known as GHSA-m4gj-q4fx-v26f.

Is CVE-2025-39374 in your software?

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