CVE-2025-30951 WordPress BlockStrap Page Builder - Bootstrap Blocks plugin <= 0.1.36 - Cross Site Scripting (XSS) Vulnerability
Stored XSS in BlockStrap Page Builder allows attackers to inject malicious scripts into web pages viewed by other users.
- 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-2025-30951?
CVE-2025-30951 is a medium-severity cross-site scripting vulnerability in Stiofan BlockStrap Page Builder - Bootstrap Blocks, published on 6 Jun 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 Stiofan BlockStrap Page Builder - Bootstrap Blocks blockstrap-page-builder-blocks allows Stored XSS.This issue affects BlockStrap Page Builder - Bootstrap Blocks: from n/a through <= 0.1.36.
Weakness: CWE-79
Which versions are affected by CVE-2025-30951?
How do I fix CVE-2025-30951?
No fix has been published for CVE-2025-30951 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-2025-30951 being exploited?
There is no known exploitation of CVE-2025-30951 in the wild and no public exploit code.
Sources
Also known as GHSA-pmwx-4xrc-36xv.