Is there a public exploit for CVE-2026-120333?

No public exploit for CVE-2026-120333 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-120333?

CVE-2026-120333 scores CVSS 8.8 (v4.0), rated high.

What does CVE-2026-120333 affect?

CVE-2026-120333 affects TYPO3 Extension "Frontend User Registration".

8.8 High

The actions linked in the emails of the extension (e.g.

CVE-2026-120333

The actions linked in the emails of the extension (e.g. to confirm a registration or the deletion of an account) do not reject requests with a missing or invalid hash. Instead, the frontend user given in the request is used. Unauthenticated attackers can therefore perform these actions for arbitrary active frontend users. This allows them to retrieve the email address or username of all frontend users and to delete arbitrary frontend user accounts.

Assessment

CVSS: 8.8 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: TYPO3 · Extension "Frontend User Registration"
Assigner: TYPO3

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

https://typo3.org/security/advisory/typo3-ext-sa-2026-038

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