CVE-2017-1000193 — october
MEDIUMCVE-2017-1000193 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in october/october. A fix is available for october/october — see the affected versions and patch details below.
October CMS XSS
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
october/octoberReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
October CMS build 412 is vulnerable to stored WCI (a.k.a XSS) in brand logo image name resulting in JavaScript code execution in the victim's browser.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | october/october | all versions | 1.0.413composer require october/october:^1.0.413 |
Affected Products
octoberoctobercmsDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for october/october, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update october/october to 1.0.413 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2017-1000193 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.
Frequently Asked Questions
Is CVE-2017-1000193 in your dependencies?
Find it across Packagist, including transitive dependencies.