CVE-2018-19933 Bolt Cross-site Scripting (XSS) via text input click preview button
An attacker can execute arbitrary scripts in the context of other users' browsers via the Title field in Bolt CMS.
- 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-2018-19933?
CVE-2018-19933 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Dec 2018. 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
Bolt CMS <3.6.2 allows XSS via text input click preview button as demonstrated by the Title field of a Configured and New Entry.
Weakness: CWE-79
Which versions are affected by CVE-2018-19933?
2 open source packages ship an affected version, including bolt/bolt. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
bolt/bolt Packagist | All versions | 3.6.2 |
bolt/bolt Packagist | All versions | 3.6.2 |
Products include Bolt Bolt Cms.
How do I fix CVE-2018-19933?
Upgrade bolt/bolt to 3.6.2 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-2018-19933 being exploited?
There is no known exploitation of CVE-2018-19933 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gjx6-58xh-p7pw.