CVE-2021-24891

MEDIUM NUCLEI LAB

Elementor Website Builder 1.5.0-3.1.4 - DOM Cross-Site Scripting via Malicious Hash

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2021-24891. PoCs published by JawadPy, hackmelocal. A Nuclei detection template is also available.

AI-analyzed exploit summary This repository provides a detailed educational lab environment simulating CVE-2021-24891, a DOM-based XSS vulnerability in the Elementor WordPress plugin. It includes a Dockerized setup for hands-on exploitation but does not contain direct exploit code.

Description

The Elementor Website Builder WordPress plugin before 3.4.8 does not sanitise or escape user input appended to the DOM via a malicious hash, resulting in a DOM Cross-Site Scripting issue.

Exploits (2)

nomisec WRITEUP
by hackmelocal · poc
https://github.com/hackmelocal/CVE-2021-24891-Simulation

This repository provides a detailed educational lab environment simulating CVE-2021-24891, a DOM-based XSS vulnerability in the Elementor WordPress plugin. It includes a Dockerized setup for hands-on exploitation but does not contain direct exploit code.

Classification
Writeup 95%
Attack Type
Xss
Complexity
Moderate
Reliability
Reliable
Target: Elementor Website Builder WordPress plugin (versions prior to 3.4.8)
No auth needed
Prerequisites: WordPress with vulnerable Elementor plugin installed · User interaction (clicking a malicious link)
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Nuclei Templates (1)

WordPress Elementor Website Builder <3.1.4 - Cross-Site Scripting
MEDIUMby dhiyaneshDk

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.jbelamor.com/xss-elementor-lightox.html
Exploit, Third Party Advisory x_refsource_misc
https://wpscan.com/vulnerability/fbed0daa-007d-4f91-8d87-4bca7781de2d

Scores

CVSS v3 6.1
EPSS 0.2401
EPSS Percentile 97.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Lab Environment

COMMUNITY
Community Lab
docker pull wordpress:5.8-apache

Details

CWE
CWE-79
Status published
Products (1)
elementor/website_builder 1.5.0 - 3.1.4
Published Nov 23, 2021
Tracked Since Feb 18, 2026