Cross-Site Scripting exists in OctoberCMS 1.0.425 (aka Build 425), allowing a least…
Priority LOW 31CWE-79Published · Updated
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
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Cross-Site Scripting exists in OctoberCMS 1.0.425 (aka Build 425), allowing a least privileged user to upload an SVG file containing malicious code as the Avatar for the profile. When this is opened by the Admin, it causes JavaScript execution in the context of the Admin account.
Why it matters now
EPSS 0.04027 90th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix Fixed october/rain (Packagist): 1.0.426
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 |
| — | october/rain (Packagist) | before 1.0.426 | 1.0.426 | Patch available | GHSA-gvgf-fp4m-2hw6 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- october/rain (Packagist) Vendor— Affected before 1.0.426 Fixed in 1.0.426 Patch available GHSA-gvgf-fp4m-2hw6
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:octobercms:october:1.0.425:*:*:*:*:*:*:* | 1.0.425 | Vulnerable | October CMS |
- cpe:2.3:a:octobercms:october:1.0.425:*:*:*:*:*:*:* Versions 1.0.425 Vulnerable ·October CMS
Remediation
- Fix · GHSA-gvgf-fp4m-2hw6 october/rain (Packagist) Fixed in 1.0.426 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2017-15284
- 2026-10-03 Alias added: GHSA-gvgf-fp4m-2hw6
References
Exploit 2
More October CMS October vulnerabilities
- 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
Sources
- CVE-2017-15284 · CVE Program
- CVE-2017-15284 · NVD
- FIRST EPSS
- GHSA-gvgf-fp4m-2hw6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences