CVE-2018-20503

MEDIUM

Allied Telesis 8100L/8 Firmware - Stored Cross-Site Scripting via IPv4 Interface Editor

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-20503. PoCs published by AkkuS.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in SirsiDynix e-Library <= 3.5.x via the 'sort_by' parameter in a POST request. The payload injects a script tag to trigger an alert, confirming the vulnerability.

Description

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

Exploits (1)

exploitdb WORKING POC
by AkkuS · textwebappscgi
https://www.exploit-db.com/exploits/46237

This exploit demonstrates a stored XSS vulnerability in SirsiDynix e-Library <= 3.5.x via the 'sort_by' parameter in a POST request. The payload injects a script tag to trigger an alert, confirming the vulnerability.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: SirsiDynix e-Library <= 3.5.x
No auth needed
Prerequisites: Access to the target application
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/46237/

Scores

CVSS v3 6.1
EPSS 0.0390
EPSS Percentile 88.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
alliedtelesis/8100l\/8_firmware
Published May 07, 2019
Tracked Since Feb 18, 2026