XSS in Stiofan Blockstrap Page Builder - Bootstrap Blocks

CVE-2025-30951

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (15.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-30951: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-30951?
CVE-2025-30951 is a medium-severity vulnerability in Stiofan Blockstrap Page Builder - Bootstrap Blocks, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-06-06.
How severe is CVE-2025-30951?
Medium severity. CVSS v3 base score is 6.5 out of 10.