OctoberCMS 1.0.425 Cross Site Scripting
Posted on 12 October 2017
# Exploit Title: OctoberCMS 1.0.425 (aka Build 425) Stored XSS
# Vendor Homepage: https://octobercms.com/
# Software Link: https://octobercms.com/download
# Exploit Author: Ishaq Mohammed (
# Contact: https://twitter.com/security_prince
# Website: https://about.me/security-prince
# Category: webapps
# CVE: CVE-2017-15284
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
2. Proof of Concept
Steps to Reproduce:
- Login using a normal user and click on my account.
- Click on the avatar.
- Click on save.
- Login in another browser with Admin Credentials.
- Click on Settings > Administrators.
- Select the normal user's avatar and click on Attachment URL.
The vulnerability will be patched by the vendor in the next release of