TI-2021-06782 Aliases CVE-2021-24495 GHSA-4r3v-6fhp-p4mw

Marmoset Viewer < 1.9.3 - Reflected Cross Site Scripting

LOW 33CWE-79Published 2021-08-09 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.03343 88th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix Fixed Marmoset Viewer (Unknown): 1.9.3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Marmoset Viewer	1.9.3 to before 1.9.3	1.9.3	Patch available	CNA

Marmoset Viewer VendorUnknown Affected 1.9.3 to before 1.9.3 Fixed in 1.9.3 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:marmoset:marmoset_viewer::::::wordpress::*	before 1.9.3	Vulnerable	Marmoset

cpe:2.3:a:marmoset:marmoset_viewer:*:*:*:*:*:wordpress:*:* Versions before 1.9.3 Vulnerable ·Marmoset

Remediation

Fix · CNA Marmoset Viewer (Unknown) Fixed in 1.9.3

Timeline

2026-10-02 Threatist record created from CVE-2021-24495
2026-10-03 Alias added: GHSA-4r3v-6fhp-p4mw

References

Exploit 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences