What is CVE-2022-47409?

CVE-2022-47409 is a critical-severity vulnerability in Fp Newsletter Project, classified under Improper Authorization. CVSS score: 9.1/10. Published 2022-12-14.

How severe is CVE-2022-47409?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Fp Newsletter Project

CVE-2022-47409

An issue was discovered in the fp_newsletter (aka Newsletter subscriber management) extension before 1.1.1, 1.2.0, 2.x before 2.1.2, 2.2.1 through 2.4.0, and 3.x before 3.2.6 for TYPO3. Attackers can unsubscribe everyone via a series of modified subscription UIDs in deleteAction operations.

Published 2022-12-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.7th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Fp Newsletter Project — versions 1.2.0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

typo3.org/security/advisory/typo3-ext-sa-2022-017 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-47409?: CVE-2022-47409 is a critical-severity vulnerability in Fp Newsletter Project, classified under Improper Authorization. CVSS score: 9.1/10. Published 2022-12-14.
How severe is CVE-2022-47409?: Critical severity. CVSS v3 base score is 9.1 out of 10.