CVE-2024-39646

HIGH EXPLOITED NUCLEI

Custom 404 Pro <= 3.11.1 - Reflected Cross-Site Scripting

Title source: llm

Exploitation Summary

CVE-2024-39646 has been observed exploited in the wild (reported by VulnCheck KEV). A Nuclei detection template is also available.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kunal Custom 404 Pro custom-404-pro.This issue affects Custom 404 Pro: from n/a through <= 3.11.1.

Nuclei Templates (1)

WordPress Custom 404 Pro <= 3.11.1 - Reflected XSS

HIGHVERIFIEDby Sourabh-Sahu

References (2)

Core 2

Core References

Vdb Entry vdb-entry

https://patchstack.com/database/Wordpress/Plugin/custom-404-pro/vulnerability/wordpress-custom-404-pro-plugin-3-11-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Third Party Advisory

https://patchstack.com/database/vulnerability/custom-404-pro/wordpress-custom-404-pro-plugin-3-11-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Scores

CVSS v3 7.1

EPSS 0.0059

EPSS Percentile 43.4%

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 none

Automatable no

Technical Impact partial

Details

VulnCheck KEV 2024-08-01

CWE

CWE-79

Status published

Products (2)

Kunal/Custom 404 Pro < 3.11.1

kunalnagar/custom_404_pro < 3.11.2

Published Aug 01, 2024

Tracked Since Feb 18, 2026