CVE-2021-28381

CRITICALNVD 9.89.8—

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 58.7%
KEV: Not listed

Published

March 16, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://typo3.org/security/advisory/typo3-ext-sa-2021-001
af854a3a-2127-422b-91ae-364da2661108https://typo3.org/security/advisory/typo3-ext-sa-2021-001

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
fluidtypo3/vhs	1.8.3 ... 5.1.0 (28 versions)	5.1.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-89SQL Injection

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 19:43 UTCEG score recompute
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 14:11 UTCOSV refresh

Frequently asked(5)

What is CVE-2021-28381?

CVE-2021-28381 is a critical vulnerability published on March 16, 2021. The vhs (aka VHS: Fluid ViewHelpers) extension before 5.1.1 for TYPO3 allows SQL injection via isLanguageViewHelper.

When was CVE-2021-28381 disclosed?

CVE-2021-28381 was first published in the National Vulnerability Database on March 16, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-28381 actively exploited?

CVE-2021-28381 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-28381?

CVE-2021-28381 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-28381?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-28381, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-28381

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