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TI-2026-53870 Aliases CVE-2026-77127GHSA-75q8-x7vq-6h5p

Information Disclosure in extension "Modules" (modules)

Priority LOW 27CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

The extension fails to restrict a backend AJAX endpoint for inline editing to fields the current user is permitted to see or edit. An authenticated, low-privileged backend user can supply arbitrary table, field and record parameters, and trigger an error response that discloses the current database value of the requested field, leading to disclosure of sensitive information such as backend and frontend user password hashes. Exploitation requires a valid, authenticated TYPO3 backend user account with access to the extensions backend module.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00351 28th percentileScored 2026-11-07
Fix Fixed Extension "Modules" (TYPO3): 8.1.4, 7.10.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TYPO3Extension "Modules"8.0.0 to before 8.1.4; before 7.10.48.1.4, 7.10.4Patch availableCNA
  • Extension "Modules" VendorTYPO3 Affected 8.0.0 to before 8.1.4; before 7.10.4 Fixed in 8.1.4, 7.10.4 Patch available CNA

Remediation

  • Fix · CNA Extension "Modules" (TYPO3) Fixed in 8.1.4, 7.10.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77127
  2. 2026-10-03 Alias added: GHSA-75q8-x7vq-6h5p

References

Advisory 1

  • TI-2023-10314 Persisted Cross-Site Scripting in Frontend Rendering in typo3 CVSS 3.1HIGH 8.8
  • TI-2010-03538 The jumpUrl (aka access tracking) implementation in tslib/class.tslib_fe.php in TYPO3… CVSS 2.0HIGH 7.1
  • TI-2009-00775 The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before… CVSS 2.0MEDIUM 5.0
  • TI-2025-30547 The sr_feuser_register extension through 12.4.8 for TYPO3 allows Remote Code Execution. CVSS 3.1CRITICAL 10.0
  • TI-2019-08867 The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before… CVSS 3.1CRITICAL 9.8
  • TI-2008-04019 Unspecified vulnerability in the TYPO3 Secure Directory (kw_secdir) extension before… CVSS 2.0HIGH 10.0
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Sources

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