XSS in Marmoset Viewer
CVE-2021-24495
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.033 (87.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Marmoset Marmoset_viewer
- Unknown Marmoset Viewer — versions 1.9.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24495?
- CVE-2021-24495 is a medium-severity vulnerability in Marmoset Viewer, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-09.
- How severe is CVE-2021-24495?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24495 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.