CVE-2019-19714 Insert tag injection in the Contao login module
Attackers can inject malicious insert tags into the login module, leading to cross-site scripting and potential account takeover in Contao CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-19714?
CVE-2019-19714 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Contao 4.8.4 and 4.8.5 has Improper Encoding or Escaping of Output. It is possible to inject insert tags into the login module which will be replaced when the page is rendered.
Weakness: CWE-116
Which versions are affected by CVE-2019-19714?
4 open source packages ship an affected version, including contao/contao and contao/core-bundle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
contao/contao Packagist | From 4.8.4 | 4.8.6 |
contao/contao Packagist | From 4.8.4 | 4.8.6 |
contao/core-bundle Packagist | From 4.8.4 | 4.8.6 |
contao/core-bundle Packagist | From 4.8.4 | 4.8.6 |
Products include Contao Contao.
How do I fix CVE-2019-19714?
Upgrade contao/contao to 4.8.6 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-2019-19714 being exploited?
There is no known exploitation of CVE-2019-19714 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2022-26265 Remote Code Execution in Contao Managed Edition
- CVE-2019-11512 Contao SQL injection in the file manager
- CVE-2012-4383 Contao core SQL Injection Vulnerability
- CVE-2019-19745 Unrestricted file uploads in Contao
- CVE-2024-28235 Contao possible cookie sharing with external domains while checking protected pages for broken links
Sources
Also known as GHSA-jc43-qrrp-98f5.