W3 Total Cache <= 0.9.7.3 - Improper Input Validation via openssl_verify

Improper Input Validation
CVE Not available
CVSS Medium (4.3)
Publicly Published May 7, 2019
Last Updated January 22, 2024
Description

W3 Total Cache in versions 0.5 up to 0.9.7.3 does not sufficiently validate the "openssl_verify" result in "/services/MessageValidator/MessageValidator.php". A remote attacker can create a specially crafted certificate and bypass cryptographic checks.

References

1 affected software package

Software Type Plugin
Software Slug w3-total-cache (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 0.9.7.3
Patched Version
  • 0.9.7.4
This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. License Detail.