CVE-2021-38302: The Newsletter extension through 4.0.0 for TYPO3 allows SQL Injection.

Q: How do I fix CVE-2021-38302?

newsletter: upgrade to newer than 4.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2021-38302 being exploited?

CVE-2021-38302 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-38302 affect?

CVE-2021-38302 affects newsletter. Severity is critical (CVSS 9.8). The Newsletter extension through 4.0.0 for TYPO3 allows SQL Injection.

Q: How urgent is CVE-2021-38302?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2021-38302 is a critical-severity flaw (CVSS 9.8) affecting newsletter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Newsletter extension through 4.0.0 for TYPO3 allows SQL Injection.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-08-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: newsletter project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-08-13 17:15 UTCPublished CVE record published
2026-06-17 04:01 UTCUpdated Record last modified

newsletter project newsletter UPGRADE

Affected: <= 4.0.0

Fixed in: newer than 4.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy newsletter || rpm -q newsletter || newsletter --version

2. UPGRADE to newer than 4.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade newsletter

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade newsletter

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-38302?

newsletter: upgrade to newer than 4.0.0. Exact commands for each OS are on this page.

Is CVE-2021-38302 being exploited?

CVE-2021-38302 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-38302 affect?

CVE-2021-38302 affects newsletter. Severity is critical (CVSS 9.8). The Newsletter extension through 4.0.0 for TYPO3 allows SQL Injection.

How urgent is CVE-2021-38302?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

TYPO3 vulnerabilities

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References

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