CVE-2017-1000193 October CMS XSS
Attackers can execute arbitrary JavaScript in victims' browsers via stored XSS in the brand logo image name field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-1000193?
CVE-2017-1000193 is a medium-severity cross-site scripting vulnerability in Octobercms October, published on 17 Nov 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2017-1000193?
2 open source packages ship an affected version, including october/october. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
october/october Packagist | All versions | 1.0.413 |
october/october Packagist | All versions | 1.0.413 |
Products include Octobercms October.
How do I fix CVE-2017-1000193?
Upgrade october/october to 1.0.413 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2017-1000193 being exploited?
There is no known exploitation of CVE-2017-1000193 in the wild and no public exploit code.
Other vulnerabilities in Octobercms October
Sources
Also known as GHSA-3p6c-9xhm-8x7h.