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TI-2018-14540 Aliases CVE-2018-20503GHSA-rppp-89x8-v2j3

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

Priority LOW 34CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

EPSS 0.03904 90th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:alliedtelesis:8100l\/8_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableAlliedtelesis
cpe:2.3:h:alliedtelesis:8100l\/8:-:*:*:*:*:*:*:*not specified by NVDRunning onAlliedtelesis
  • cpe:2.3:o:alliedtelesis:8100l\/8_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Alliedtelesis
  • cpe:2.3:h:alliedtelesis:8100l\/8:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Alliedtelesis

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-20503
  2. 2026-10-03 Alias added: GHSA-rppp-89x8-v2j3
  3. 2026-10-08 EPSS moved to the 90th–95th percentile

References

Exploit 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences