CVE-2026-46725

Summary

The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with "Persistent Mode: Static" in the plugin settings.

Affected Software

VendorProductVersion RangeStatus
TYPO3Extension “Content Element Selector”6.0.0 < 6.0.1affected
TYPO3Extension “Content Element Selector”5.0.0 < 5.0.1affected
TYPO3Extension “Content Element Selector”4.0.0 < 4.0.2affected
TYPO3Extension “Content Element Selector”0 < 3.0.3affected

Weaknesses

  • CWE-502: CWE-502 Deserialization of Untrusted Data

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References