RSVPMarker <= 10.6.5 - Authenticated (Administrator+) Stored Cross-Site Scripting via admin settings

4.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2023-27617
CVSS 4.4 (Medium)
Publicly Published August 17, 2023
Last Updated January 22, 2024
Researcher Muhammad Arsalan Diponegoro (tripoloski)

Description

The RSVPMarker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 10.6.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

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Vulnerability Details for RSVPMaker

Software Type Plugin
Software Slug rsvpmaker (view on wordpress.org)
Patched? Yes
Remediation Update to version 10.6.7, or a newer patched version
Affected Version
  • <= 10.6.5
Patched Version
  • 10.6.7

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