What’s Vulnerable › Vulnerabilities

CVE-2021-28381

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-16 · updated 2026-06-17
• Weakness: CWE-89

Description

The vhs (aka VHS: Fluid ViewHelpers) extension before 5.1.1 for TYPO3 allows SQL injection via isLanguageViewHelper.

Affected products

• Vhs Project Vhs: before 5.1.1 — fixed in 5.1.1

How to fix

Upgrade to a fixed version: Vhs Project Vhs 5.1.1. Check the vendor advisory for mitigations.

References

• https://typo3.org/security/advisory/typo3-ext-sa-2021-001
• https://typo3.org/security/advisory/typo3-ext-sa-2021-001

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