PlanSo Forms <= 2.6.4 - Authenticated (Admin+) Stored Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24516
CVSS 5.5 (Medium)
Publicly Published September 15, 2021
Last Updated February 3, 2023
Researcher Felipe Restrepo Rodriguez (pfelilpe) - Pfelilpe


The PlanSo Forms WordPress plugin through 2.6.4 does not escape the title of its Form before outputting it in attributes, allowing high privilege users such as admin to set XSS payload in it, even when the unfiltered_html is disallowed, leading to an Authenticated Stored Cross-Site Scripting issue.



Vulnerability Details for PlanSo Forms

Software Type Plugin
Software Slug planso-forms (view on
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 2.6.4

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