MPL-Publisher <= 1.30.2 - Authenticated (Admin+) Stored Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-39343
CVSS Medium (5.5)
Publicly Published October 15, 2021
Last Updated January 22, 2024
Researcher Thinkland Security Team
Description

The MPL-Publisher WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/libs/PublisherController.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.30.2. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

References

1 affected software package

Software Type Plugin
Software Slug mpl-publisher (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 1.30.2
Patched Version
  • 1.30.3
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