CVE-2012-3527: Debian Linux

Medium severity, CVSS 4.6. EPSS: 2.1% chance of exploitation in the next 30 days.

view_help.php in the backend help system in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote authenticated backend users to unserialize arbitrary objects and possibly execute arbitrary PHP code via an unspecified parameter, related to a "missing signature (HMAC)."

Affected products

  • Debian Debian Linux: version 6.0 only; version 7.0 only
  • TYPO3 TYPO3: from 4.5.0, before 4.5.19 (fixed in 4.5.19); from 4.6.0, before 4.6.12 (fixed in 4.6.12); from 4.7.0, before 4.7.4 (fixed in 4.7.4)

Published 2012-09-05. Last modified 2026-06-16.