What’s Vulnerable › Vulnerabilities

CVE-2018-20503

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-05-07 · updated 2026-06-17
• Weakness: CWE-79

Description

Allied Telesis 8100L/8 devices allow XSS via the edit-ipv4_interface.php vlanid or subnet_mask parameter.

Affected products

• Alliedtelesis 8100L/8 Firmware: all versions

References

• http://packetstormsecurity.com/files/151327/SirsiDynix-e-Library-3.5.x-Cross-Site-Scripting.html
• https://pentest.com.tr/exploits/Allied-Telesis-8100L-8-Cross-Site-Scripting.html
• https://www.exploit-db.com/exploits/46237/
• http://packetstormsecurity.com/files/151327/SirsiDynix-e-Library-3.5.x-Cross-Site-Scripting.html
• https://pentest.com.tr/exploits/Allied-Telesis-8100L-8-Cross-Site-Scripting.html
• https://www.exploit-db.com/exploits/46237/

Get alerted when CVE-2018-20503 or the next vulnerability affects your stack