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Medium

Insecure Unserialize Vulnerability in FLOW3

  • Disclosed: 05.06.2024
  • Updated: 11.10.2026 10:22

Due to a missing signature (HMAC) for a request argument, an attacker could unserialize arbitrary objects within FLOW3.

To our knowledge it is neither possible to inject code through this vulnerability, nor are there exploitable objects within the FLOW3 Base Distribution. However, there might be exploitable objects within user applications.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package typo3/flow >= 1.0.0, < 1.0.4 1.0.4

References

CVSS score -
Weakness (CWE)
-
Platform
Composer
Package
typo3/flow
Disclosed
05.06.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-m2hp-5x78-74mg - CC BY 4.0

Vulnerability history: typo3/flow

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
5
First → latest
05.2022 06.2024
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 1
  • Medium 4

Disclosures per year

  1. Insecure Unserialize Vulnerability in FLOW3 this entry
    Medium ghsa-m2hp-5x78-74mg >= 1.0.0, < 1.0.4 1.0.4
  2. Typo3 Arbitrary file upload and XML External Entity processing
    Medium ghsa-2p4f-vc9q-r5vp >= 2.3.0, < 2.3.7, >= 3.0.0, < 3.0.1 2.3.7, 3.0.1
  3. Time-Based Information Disclosure Vulnerability in Flow
    Medium ghsa-r6mm-wmhf-849m >= 2.3.0, < 2.3.16, >= 3.0.0, < 3.0.10, >= 3.1.0, < 3.1.7, >= 3.2.0, < 3.2.7, >= 3.3.0, < 3.3.5 2.3.16, 3.0.10, 3.1.7, 3.2.7, 3.3.5
  4. Flow Bugfix Releases for Entity Security
    High ghsa-vh6j-wv25-8qxr >= 3.0.0, < 3.0.12, >= 3.1.0, < 3.1.10, >= 3.2.0, < 3.2.13, >= 3.3.0, < 3.3.13, >= 4.0.0, < 4.0.6 3.0.12, 3.1.10, 3.2.13, 3.3.13, 4.0.6
  5. TYPO3 Flow Cross-site scripting (XSS) vulnerability
    Medium CVE-2013-7082 >= 1.1.0, < 1.1.1, >= 2.0.0, < 2.0.1 1.1.1, 2.0.1

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