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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-77140

Broken Access Control in extension "Telephone Directory" (telephonedirectory)

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Status
Published
Published
Updated
Assigning organization
TYPO3

Description

The extension validates the HMAC of a frontend employee edit link only in the action that renders the edit form, not in the action that persists the change. An unauthenticated visitor who knows the UID of a visible employee record can send a direct POST request to the update action and overwrite that record without a valid edit link or any ownership check.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

TYPO3 Extension "Telephone Directory"

Default version status: unaffected

  • 6.0.0 to < 6.2.0affected
  • 5.0.0 to < 5.0.1affected
  • 0 to < 4.1.1affected

References