CVE-2025-31621 WordPress byBrick Accordion plugin <= 1.0 - Cross Site Scripting (XSS) vulnerability

Medium 6.5 Published Updated

Stored XSS in byBrick Accordion allows attackers to inject malicious scripts, potentially compromising user sessions and site integrity.

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-2025-31621?

CVE-2025-31621 is a medium-severity cross-site scripting vulnerability in davidpaulsson byBrick Accordion, published on 31 Mar 2025. Any signed-in user can exploit it over the network, 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 davidpaulsson byBrick Accordion bybrick-accordion allows Stored XSS.This issue affects byBrick Accordion: from n/a through <= 1.0.

Weakness: CWE-79

Which versions are affected by CVE-2025-31621?

How do I fix CVE-2025-31621?

No fix has been published for CVE-2025-31621 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-2025-31621 being exploited?

There is no known exploitation of CVE-2025-31621 in the wild and no public exploit code.

Sources

Also known as GHSA-3857-jq6x-m933.

Is CVE-2025-31621 in your software?

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