CVE-2024-12878
HIGH NUCLEIlazy_blocks < 3.8.3 - Reflected Cross-Site Scripting
Title source: llmExploitation Summary
CVE-2024-12878 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.
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.
Nuclei Templates (1)
Lazy Blocks <= 3.8.2 - Cross-Site Scripting
MEDIUMVERIFIEDby Shivam Kamboj
References (1)
Core 1
Core References
Exploit, Third Party Advisory exploit
vdb-entry
technical-description
https://wpscan.com/vulnerability/827444d1-87cb-4057-827a-d802eac82cf8/
Scores
CVSS v3
7.1
EPSS
0.0059
EPSS Percentile
43.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
thedevoice/lazy_blocks
< 3.8.3
Published
Feb 26, 2025
Tracked Since
Feb 18, 2026