🔐 CVE Alert

CVE-2024-9616

MEDIUM 6.1

BlockMeister – Block Pattern Builder <= 3.1.10 - Reflected Cross-Site Scripting

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

The BlockMeister – Block Pattern Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.1.10. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

CWE CWE-79
Vendor blockmeister
Product blockmeister – block pattern builder
Published Oct 11, 2024
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

blockmeister / BlockMeister – Block Pattern Builder
0 ≤ 3.1.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/584d4517-1152-42fa-9ea9-a9e9ed8996fa?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/blockmeister/tags/3.1.10/includes/Pattern_Builder/Admin/BlockMeister_Pattern_List_Table.php#L272 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/blockmeister/tags/3.1.10/includes/JSON_File_Uploader.php#L31 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3165925%40blockmeister&new=3165925%40blockmeister&sfp_email=&sfph_mail= plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/blockmeister/tags/3.1.11/includes/JSON_File_Uploader.php?rev=3165925#L31

Credits

vgo0