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CVE-2024-12878

HIGH 7.1 CVSS 3.1
Published
February 26, 2025
Last modified
June 17, 2026
NVD status
Analyzed
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Description

The Custom Block Builder WordPress plugin before 3.8.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Custom Block Builder — Before 3.8.3
  • thedevoice lazy_blocks — Before 3.8.3

References

  • wpscan.com https://wpscan.com/vulnerability/827444d1-87cb-4057-827a-d802eac82cf8/ Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record