TI-2018-11665 Aliases CVE-2018-16286 GHSA-qc57-qhfx-p8p2

LG SuperSign CMS allows authentication bypass because the CAPTCHA requirement is skipped…

MEDIUM 61CWE-287Published 2018-09-14 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

LG SuperSign CMS allows authentication bypass because the CAPTCHA requirement is skipped if a captcha:pass cookie is sent, and because the PIN is limited to four digits.

Why it matters now

EPSS 0.21545 97th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:lg:supersign_cms:-:::::::*	not specified by NVD	Vulnerable	LG

cpe:2.3:a:lg:supersign_cms:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·LG

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-16286
2026-10-03 Alias added: GHSA-qc57-qhfx-p8p2

References

Exploit 1

http://mamaquieroserpentester.blogspot.com/2018/09/multiple-vulnerabilities-in-lg.html

TI-2018-12273 LG SuperSign CMS allows remote attackers to execute arbitrary code via the sourceUri… CVSS 3.0CRITICAL 9.8
TI-2018-11667 LG SuperSign CMS allows reading of arbitrary files via signEzUI/playlist/edit/upload/..%2f URIs. CVSS 3.0HIGH 8.6
TI-2018-11666 LG SuperSign CMS allows file upload via signEzUI/playlist/edit/upload/..%2f URIs. CVSS 3.0CRITICAL 9.8
TI-2018-11959 LG SuperSign CMS allows TVs to be rebooted remotely without authentication via a direct… CVSS 3.0HIGH 7.5
TI-2024-05728 XSS vulnerability in LG SuperSign CMS CVSS 4.0MEDIUM 4.8
TI-2024-05727 XSS vulnerability in LG SuperSign CMS CVSS 4.0MEDIUM 4.8

See all 7 →

Sources

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