Sign in
Deutsch English Español Polski
Critical

Contao Does Not Expire Tokens Correctly

  • Disclosed: 13.05.2022
  • Updated: 11.10.2026 10:22

Security researcher Ali Razzaq has discovered that confirming an opt-in token does not invalidate previous opt-in tokens in Contao 4.7.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package contao/contao >= 4.7.0, < 4.7.3 4.7.3
Composer package contao/core-bundle >= 4.7.0, < 4.7.3 4.7.3

References

CVSS score 9.8/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-287, CWE-324
Platform
Composer
Package
contao/contao, contao/core-bundle
Disclosed
13.05.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-j99g-qjvx-995g - CC BY 4.0

Vulnerability history: contao/contao

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

All (25) in the archive
Total entries
25
First → latest
12.2019 09.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 4
  • High 6
  • Medium 12
  • Low 3

Disclosures per year

Severity:
  1. Path traversal vulnerability in the file manager
    High · 8.8 CVE-2023-29200 >= 4.9.0, < 4.9.40, >= 4.13.0, < 4.13.21, >= 5.1.0, < 5.1.4 4.9.40, 4.13.21, 5.1.4
  2. Contao SQL injection in the file manager
    Critical · 9.8 CVE-2019-11512 >= 4.1.0, < 4.4.39, >= 4.5.0, < 4.7.5 4.4.39, 4.7.5
  3. Contao SQL injection in the backend and listing module
    Critical · 9.8 CVE-2017-16558 >= 3.0.0, <= 3.5.30, >= 4.0.0, < 4.4.8 4.4.8
  4. Cross site scripting via canonical tag in Contao
    High · 7.2 CVE-2022-24899 >= 4.13.0, < 4.13.3 4.13.3
  5. Contao CSRF Token Bypass
    High · 8.8 CVE-2019-10642 >= 4.7.0, < 4.7.3 4.7.3
  6. Contao Does Not Invalidate Existing Sessions When Password Changes
    Critical · 9.8 CVE-2019-10641 >= 4.0.0, < 4.4.37, >= 4.5.0, < 4.7.3 4.4.37, 4.7.3
  7. Contao Core directory traversal vulnerability
    High · 8.8 CVE-2017-10993 >= 4.0.0, < 4.4.1 4.4.1
  8. Contao Does Not Expire Tokens Correctly this entry
    Critical · 9.8 CVE-2019-10643 >= 4.7.0, < 4.7.3 4.7.3
  9. Privilege escalation via form generator
    High · 8.0 CVE-2021-37627 >= 4.0.0, < 4.4.56, >= 4.5.0, < 4.9.18, >= 4.10.0, < 4.11.7 4.4.56, 4.9.18, 4.11.7
  10. Unrestricted file uploads in Contao
    High · 8.8 CVE-2019-19745 >= 4.0.0, < 4.4.46, >= 4.5.0, < 4.8.6 4.4.46, 4.8.6

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Privacy policy

Free to subscribe. Unsubscribe with one click in any email.