TI-2018-16149 Aliases CVE-2018-1999008 GHSA-c9g2-5qmq-gwc7

October CMS version prior to build 437 contains a Cross Site Scripting (XSS)…

LOW 25CWE-79Published 2018-07-23 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: Low
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

October CMS version prior to build 437 contains a Cross Site Scripting (XSS) vulnerability in the Media module and create folder functionality that can result in an Authenticated user with media module permission creating arbitrary folder name with XSS content. This attack appear to be exploitable via an Authenticated user with media module permission who can create arbitrary folder name (XSS). This vulnerability appears to have been fixed in build 437.

Why it matters now

EPSS 0.00521 44th 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:octobercms:october::::::::	before 1.0.437	Vulnerable	October CMS

cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:* Versions before 1.0.437 Vulnerable ·October CMS

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-1999008
2026-10-03 Alias added: GHSA-c9g2-5qmq-gwc7

References

Patch 1

https://octobercms.com/support/article/rn-10

TI-2021-12316 Account Takeover in Octobercms KEVCVSS 3.1CRITICAL 9.1
TI-2021-12318 Arbitrary code execution in october/system CVSS 3.1HIGH 8.8
TI-2017-14456 October CMS build 412 is vulnerable to PHP code execution in the file upload… CVSS 3.0HIGH 7.2
TI-2023-23545 A Cross-Site Scripting (XSS) vulnerability in installation of October v.3.4.16 allows an… CVSS 3.1MEDIUM 5.4
TI-2023-19223 An arbitrary file upload vulnerability in October CMS v3.4.4 allows attackers to execute… CVSS 3.1MEDIUM 5.4
TI-2024-30847 October 3.6.30 allows an authenticated admin account to upload a PDF file containing… CVSS 3.1MEDIUM 4.7

See all 56 →

Sources

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