CVE-2018-5216 Radiant CMS vulnerable to Cross-site Scripting
An attacker can inject malicious scripts via crafted Markdown input in Radiant CMS, potentially leading to session hijacking or code execution.
- 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
- None listed
What is CVE-2018-5216?
CVE-2018-5216 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Jan 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Radiant CMS 1.1.4 has XSS via crafted Markdown input in the part_body_content parameter to an admin/pages/*/edit resource.
Weakness: CWE-79
Which versions are affected by CVE-2018-5216?
2 open source packages ship an affected version, including radiant. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
radiant RubyGems | All versions to 1.1.4 | None |
radiant RubyGems | All versions to 1.1.4 | None |
Products include Radiantcms Radiant Cms.
How do I fix CVE-2018-5216?
No fix has been published for CVE-2018-5216 yet. Limit exposure of the affected software until one is available.
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-2018-5216 being exploited?
There is no known exploitation of CVE-2018-5216 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mvw8-v767-qhjm.