Is typo3/cms-core 13.3 vulnerable?

Composer · 2 releases from 13.3.0 to 13.3.1 · latest typo3/cms-core is 14.3.10 · checked 2 Nov 2026

Yes: 21 known advisories

Yes. typo3/cms-core 13.3.1, the last 13.3 release, is affected by 21 known security advisories (5 high, 13 medium, 3 low), including CVE-2026-11607, CVE-2026-47343, CVE-2026-47346. Upgrade to 13.4.31 or later to fix all of them.

Upgrade with:composer require typo3/cms-core:^13.4.31

Is your project affected?

Private repo? Upload its lockfile instead, or connect GitHub to check every repo.

Advisories affecting typo3/cms-core 13.3.1

  • HighCVE-2026-11607GHSA-pjpj-v387-x4vq12 Jun 2026

    TYPO3 CMS has Broken Access Control in its Form Framework

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • MediumCVE-2026-47349GHSA-f34x-rx2w-7pm312 Jun 2026

    TYPO3 CMS has Broken Access Control in the Recycler Module

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • MediumCVE-2026-47347GHSA-3p42-w5ch-gg4212 Jun 2026

    TYPO3 CMS has an Open Redirect Vulnerability via Core Utilities

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • HighCVE-2026-47343GHSA-3v8v-4wg6-r7qh12 Jun 2026

    TYPO3 CMS: Destructive Actions on File Mount Folders

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • MediumCVE-2026-47350GHSA-qcmw-6rm2-5x7812 Jun 2026

    TYPO3 CMS has Broken Access Control in its DataHandler

    Affected
    >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    13.4.31, 14.3.3
  • HighCVE-2026-47346GHSA-hwvq-2w67-rvxp12 Jun 2026

    TYPO3 CMS has Broken Access Control in its Form Framework

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • HighCVE-2026-49742GHSA-chm7-4vch-h8vr12 Jun 2026

    TYPO3 CMS has Broken Access Control in its Media Module

    Affected
    >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    11.5.51, 12.4.46, 13.4.31, 14.3.3
  • MediumCVE-2026-49740GHSA-c78m-c52x-jgwp12 Jun 2026

    TYPO3 CMS has Insecure Deserialization via Core API

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • LowCVE-2026-49738GHSA-jf56-v8jc-jcc512 Jun 2026

    TYPO3 CMS has Broken Access Control in its File Abstraction Layer

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • MediumCVE-2026-47352GHSA-2j54-93q2-3hjq12 Jun 2026

    TYPO3 CMS has Broken Access Control in Backend API

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • MediumCVE-2026-47351GHSA-q93m-25xv-94hh12 Jun 2026

    TYPO3 CMS: Broken Access Control in Media Module

    Affected
    <10.4.57 · >=11.0.0 <11.5.51 · >=12.0.0 <12.4.46 · >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  • MediumCVE-2026-47348GHSA-cg75-qfg2-w9hj12 Jun 2026

    TYPO3 CMS has Cross-Site Scripting in Indexed Search

    Affected
    >=13.0.0 <13.4.31 · >=14.0.0 <14.3.3
    Fixed in
    13.4.31, 14.3.3
  • MediumCVE-2026-0859GHSA-7vp9-x248-9vr913 Jan 2026

    TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool

    Affected
    >=14.0.0 <14.0.2 · >=13.0.0 <13.4.23 · >=12.0.0 <12.4.41 · >=11.0.0 <11.5.49 · >=10.0.0 <10.4.55
    Fixed in
    10.4.55, 11.5.49, 12.4.41, 13.4.23, 14.0.2
  • MediumCVE-2025-59016GHSA-cvm2-5f78-g9m89 Sept 2025

    TYPO3 CMS exposes sensitive information in an error message

    Affected
    >=9.0.0 <12.4.37 · >=10.0.0 <12.4.37 · >=11.0.0 <12.4.37 · >=12.0.0 <12.4.37 · >=13.0.0 <13.4.18
    Fixed in
    12.4.37, 13.4.18
  • MediumCVE-2025-59013GHSA-72jf-5fg5-3cw39 Sept 2025

    TYPO3 CMS has an open‑redirect vulnerability

    Affected
    >=9.0.0 <12.4.37 · >=10.0.0 <12.4.37 · >=11.0.0 <12.4.37 · >=12.0.0 <12.4.37 · >=13.0.0 <13.4.18
    Fixed in
    12.4.37, 13.4.18
  • MediumCVE-2025-59015GHSA-p5jq-5383-qvc79 Sept 2025

    TYPO3 CMS uses insufficient entropy when generating passwords

    Affected
    >=12.0.0 <12.4.37 · >=13.0.0 <13.4.18
    Fixed in
    12.4.37, 13.4.18
  • HighCVE-2025-47940GHSA-6frx-j292-c84420 May 2025

    TYPO3 Allows Privilege Escalation to System Maintainer

    Affected
    >=10.4.0 <10.4.50 · >=11.0.0 <11.5.44 · >=12.0.0 <12.4.31 · >=13.0.0 <13.4.12
    Fixed in
    10.4.50, 11.5.44, 12.4.31, 13.4.12
  • MediumCVE-2025-47939GHSA-9hq9-cr36-4wpj20 May 2025

    TYPO3 Allows Unrestricted File Upload in File Abstraction Layer

    Affected
    >=9.0.0 <9.5.51 · >=10.0.0 <10.4.50 · >=11.0.0 <11.5.44 · >=12.0.0 <12.4.31 · >=13.0.0 <13.4.12
    Fixed in
    9.5.51, 10.4.50, 11.5.44, 12.4.31, 13.4.12
  • LowCVE-2025-47938GHSA-3jrg-97f3-rqh920 May 2025

    TYPO3 Unverified Password Change for Backend Users

    Affected
    >=9.0.0 <9.5.51 · >=10.0.0 <10.4.50 · >=11.0.0 <11.5.44 · >=12.0.0 <12.4.31 · >=13.0.0 <13.4.12
    Fixed in
    9.5.51, 10.4.50, 11.5.44, 12.4.31, 13.4.12
  • LowCVE-2025-47937GHSA-x8pv-fgxp-8v3x20 May 2025

    TYPO3 Allows Information Disclosure via DBAL Restriction Handling

    Affected
    >=9.0.0 <9.5.51 · >=10.0.0 <10.4.50 · >=11.0.0 <11.5.44 · >=12.0.0 <12.4.31 · >=13.0.0 <13.4.12
    Fixed in
    9.5.51, 10.4.50, 11.5.44, 12.4.31, 13.4.12
  • MediumCVE-2024-55892GHSA-2fx5-pggv-6jjr14 Jan 2025

    TYPO3 Potential Open Redirect via Parsing Differences

    Affected
    >=9.0.0 <9.5.49 · >=10.0.0 <10.4.48 · >=11.0.0 <11.5.42 · >=12.0.0 <12.4.25 · >=13.0.0 <13.4.3
    Fixed in
    9.5.49, 10.4.48, 11.5.42, 12.4.25, 13.4.3

Which of your client projects are still on typo3/cms-core 13.3?

NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact typo3/cms-core version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.

Scan a project free, no signupOr connect GitHub to scan every repo

Other typo3/cms-core versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the Composer registry. Refreshed daily.