VulnTitan VulnTitan Security command center
Vulnerability Report
Plugin Medium Patch path listed CVE-2021-24495

Marmoset Viewer < 1.9.3 - Reflected Cross-Site Scripting

The Marmoset Viewer WordPress plugin before 1.9.3 does not property sanitize, validate or escape the 'id' parameter before outputting back in the page, leading to a reflected Cross-Site Scripting issue.

Quick Answer

CVE-2021-24495 is a medium severity with CVSS 6.1 Cross-Site Scripting issue affecting the Plugin Marmoset Viewer. It affects Versions before 1.9.3 and is fixed in 1.9.3.

Back to Feed View Plugin Hub Open CVE Reference
Published
Jul 06, 2021
Last Updated
Jan 22, 2024
Slug
marmoset-viewer
Risk Profile
6.1 CVSS Score
Weakness
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Researchers
John Jackson
Jackson Henry
Wabaf3t
Kelly Kaoudis
Robert Willis
Erwan LR
Operational Summary

What the operator needs to know

Share Email
Patch Status
Patched release is available
Remediation
Update to version 1.9.3, or a newer patched version
Operator Briefing

CVE-2021-24495 is tracked for the Plugin Marmoset Viewer as medium severity with CVSS 6.1. The affected range is Versions before 1.9.3. Update Marmoset Viewer to 1.9.3 or newer where that version is compatible with the site.

Issue Type
Cross-Site Scripting
Primary Fixed Version
1.9.3
Primary Affected Range
Versions before 1.9.3
Tracking ID
CVE-2021-24495
References
https://www.wordfence.com/threat-intel/vulnerabilities/id/73d3f73f-5407-4acf-ac65-1f7eadbaa58f?source=api-prod
Detailed Metadata
Software Type Plugin
Software Slug
marmoset-viewer View on wordpress.org
CVE CVE-2021-24495
Patched Versions
1.9.3
Affected Versions
Versions before 1.9.3
Related CVE Cluster

Related CVEs for Marmoset Viewer

These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.

Medium CVE-2025-23767 No patch listed Jan 16, 2025
CVE-2025-23767 Marmoset Viewer Stored Cross-Site Scripting

Marmoset Viewer <= 1.9.3 - Authenticated (Contributor+) Stored Cross-Site Scripting

Licensing Notices

This record contains material that is subject to copyright

DEFIANT
Copyright 2012-2026 Defiant Inc.

License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. Read more

MITRE
Copyright 1999-2026 The MITRE Corporation

License: CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more