CVE-2021-28381 SQL injection in vhs (aka VHS: Fluid ViewHelpers)
An attacker can execute arbitrary SQL commands via the isLanguageViewHelper in the TYPO3 Fluid ViewHelpers extension, potentially accessing or modifying database content.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-28381?
CVE-2021-28381 is a critical SQL injection vulnerability in n/a, published on 16 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The vhs (aka VHS: Fluid ViewHelpers) extension before 5.1.1 for TYPO3 allows SQL injection via isLanguageViewHelper.
Weakness: CWE-89
Which versions are affected by CVE-2021-28381?
2 open source packages ship an affected version, including fluidtypo3/vhs. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
fluidtypo3/vhs Packagist | All versions | 5.1.1 |
fluidtypo3/vhs Packagist | All versions | 5.1.1 |
Products include Vhs Project Vhs.
How do I fix CVE-2021-28381?
Upgrade fluidtypo3/vhs to 5.1.1 or later.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-28381 being exploited?
There is no known exploitation of CVE-2021-28381 in the wild and no public exploit code.
Sources
Also known as GHSA-wq4r-8342-jmc9.