Authenticated phishing redirects via missing mount authorization
Published Jan 13, 2026 · Updated Jan 13, 2026
Broken access control in the TYPO3 CMS Redirects module allows remote authenticated users to alter redirects outside assigned mounts. RedirectRepository queries and DataHandler writes accepted records without filtering source hosts or validating targets against the backend user's web and file mounts. Access to the module plus sys_redirect write permission is required; successful abuse can redirect visitors to attacker-chosen URLs for phishing.
Summary
What happened
Broken access control in the TYPO3 CMS Redirects module allows remote authenticated users to alter redirects outside assigned mounts. RedirectRepository queries and DataHandler writes accepted records without filtering source hosts or validating targets against the backend user's web and file mounts. Access to the module plus sys_redirect write permission is required; successful abuse can redirect visitors to attacker-chosen URLs for phishing.
The record
- CVE
- CVE-2025-59021
- Published
- Jan 13, 2026
- Updated
- Jan 13, 2026
- Vendor
- in2code GmbH
- Product
- TYPO3 CMS
- Classifications
- CWE-862
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 13, 2026CVE publishedPublication date reported by the CVE source.
- Jan 13, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=10.0.0 <10.4.55
- Affected versionversion=11.0.0 <11.5.49
- Affected versionversion=12.0.0 <12.4.41
- Affected versionversion=13.0.0 <13.4.23
- Affected versionversion=14.0.0 <14.0.2
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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