MPL-Publisher – Self-publish your book & ebook <= 1.30.2 Authenticated Stored Cross-Site Scripting
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-39343
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Thinkland Security Team
Affected Vendor
MPL-Publisher
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