CVE-2025-28871 WordPress Block Spam By Math Reloaded plugin <= 2.2.4 - Cross Site Scripting (XSS) vulnerability

Medium 5.9 Published Updated

Stored XSS in Block Spam By Math Reloaded allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.

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

What is CVE-2025-28871?

CVE-2025-28871 is a medium-severity cross-site scripting vulnerability in jwpegram Block Spam By Math Reloaded, published on 11 Mar 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in jwpegram Block Spam By Math Reloaded block-spam-by-math-reloaded allows Stored XSS.This issue affects Block Spam By Math Reloaded: from n/a through <= 2.2.4.

Weakness: CWE-79

Which versions are affected by CVE-2025-28871?

It affects 1 product.

Products include Jwpegram Block Spam by Math Reloaded.

How do I fix CVE-2025-28871?

No fix has been published for CVE-2025-28871 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-2025-28871 being exploited?

There is no known exploitation of CVE-2025-28871 in the wild and no public exploit code.

Sources

Also known as GHSA-38cw-7g54-c3g7.

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