Vulnerability · 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-blo
Published Jun 6, 2025 · catalog updated Apr 28, 2026 · Stiofan BlockStrap Page Builder - Bootstrap Blocks
Check if you run it
No confirmed exploitation is on record for CVE-2025-30951. EPSS is 0.26%. Act only if a listed version of Stiofan BlockStrap Page Builder - Bootstrap Blocks is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.26%
- Remediation
- Advisory link
- Affected products
- vendor Stiofan BlockStrap Page Builder - Bootstrap Blocks 0 ≤0.1.36
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Stiofan BlockStrap Page Builder - Bootstrap Blocks 0 ≤0.1.360 ≤0.1.36
How to fix CVE-2025-30951
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-30951. EPSS is 0.26%. Act only if a listed version of Stiofan BlockStrap Page Builder - Bootstrap Blocks is installed.
Which versions are affected?
Compare what you have installed with Stiofan BlockStrap Page Builder - Bootstrap Blocks 0 ≤0.1.36 0 ≤0.1.36. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jun 6, 2025 · EUVD
Detected
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.
Apr 28, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-30951
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-30951
30-day exploitation probability 0.3%
first.org - EUVDVulnerability recordEUVD-2025-17217
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 throug
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.