CVE-2021-28381

Name: CVE-2021-28381
Creator: NVD / NIST
Published: 2021-03-16T20:15:13.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2021-28381 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The vhs (aka VHS: Fluid ViewHelpers) extension before 5.1.1 for TYPO3 allows SQL injection via isLanguageViewHelper.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.04%

59.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Vhs Project	Vhs	< 5.1.1

References

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

Timeline

Published: Mar 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28381?

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

How severe is CVE-2021-28381?

CVE-2021-28381 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28381?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28381?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST