TI-2018-13209 Aliases CVE-2018-18676 GHSA-4vq8-hcpj-2v9j

GNUBOARD5 5.3.1.9 has XSS that allows remote attackers to inject arbitrary web script or…

LOW 30CWE-79Published 2019-07-23 · Updated 2024-08-05

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

GNUBOARD5 5.3.1.9 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "mobile board tail contents" parameter, aka the adm/board_form_update.php bo_mobile_content_tail parameter.

Why it matters now

EPSS 0.01553 75th percentileScored 2026-11-07

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:sir:gnuboard:5.3.1.9:::::::*	5.3.1.9	Vulnerable	Sir

cpe:2.3:a:sir:gnuboard:5.3.1.9:*:*:*:*:*:*:* Versions 5.3.1.9 Vulnerable ·Sir

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-18676
2026-10-03 Alias added: GHSA-4vq8-hcpj-2v9j

References

Patch 2

Advisory 1

https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0

TI-2024-27646 Gnuboard g6 6.0.7 is vulnerable to Session hijacking due to a CORS misconfiguration. CVSS 3.1CRITICAL 9.8
TI-2025-37999 gnuboard gnuboard4 v4.36.04 and before is vulnerable to Second-order SQL Injection via… CVSS 3.1MEDIUM 6.5
TI-2025-37842 Cross Site Scripting (XSS) vulnerability in Gnuboard 5.6.15 allows authenticated… CVSS 3.1MEDIUM 6.1
TI-2024-26175 There is an Open Redirect vulnerability in Gnuboard v6.0.4 and below via the `url` parameter in login path. CVSS 3.1MEDIUM 6.1
TI-2024-25109 An open redirect vulnerability in gnuboard5 v.5.5.16 allows a remote attacker to obtain… CVSS 3.1MEDIUM 6.1
TI-2024-25108 An open redirect vulnerability in gnuboard5 v.5.5.16 allows a remote attacker to obtain… CVSS 3.1MEDIUM 6.1

See all 38 →

Sources

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