The Multi-State Information Sharing & Analysis Center (MS-ISAC) has released an advisory on a vulnerability in Hypertext Preprocessor (PHP). It is recommended that you take the necessary precautions by ensuring your products are always updated.
For more information on the advisory and the Download file you can follow these urls:
The Guyana National CIRT recommends users and administration to review these updates and to apply them where necessary.
• MS-ISAC Releases Advisory on PHP Vulnerability (US-Cert)