CVE-2017-20059 Elefant CMS Title Persistent cross site scriting
Attackers can inject persistent scripts via the Title Handler in Elefant CMS, potentially executing arbitrary code in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-20059?
CVE-2017-20059 is a low-severity cross-site scripting vulnerability in Elefant CMS, published on 20 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability, which was classified as problematic, has been found in Elefant CMS 1.3.12-RC. Affected by this issue is some unknown functionality of the component Title Handler. The manipulation with the input </title><img src=no onerror=alert(1)> leads to basic cross site scripting (Persistent). The attack may be launched remotely. Upgrading to version 1.3.13 is able to address this issue. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2017-20059?
2 open source packages ship an affected version, including elefant/cms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
elefant/cms Packagist | All versions | 1.3.13 |
elefant/cms Packagist | All versions | 1.3.13 |
Products include Elefantcms Elefant Cms.
How do I fix CVE-2017-20059?
Upgrade elefant/cms to 1.3.13 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-2017-20059 being exploited?
There is no known exploitation of CVE-2017-20059 in the wild and no public exploit code.
Other vulnerabilities in Elefant CMS
Sources
Also known as GHSA-7f7g-8q3x-jpx9.