ESB-2019.1065 - [Debian] wordpress: Multiple vulnerabilities 2019-04-01

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             AUSCERT External Security Bulletin Redistribution

                     Debian wordpress vulnerabilities
                               1 April 2019


        AusCERT Security Bulletin Summary

Product:           wordpress
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated      
                   Cross-site Scripting            -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-9787 CVE-2019-8942 

Reference:         ESB-2019.0653

Original Bulletin:

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Package        : wordpress
Version        : 4.1.26+dfsg-1+deb8u1
CVE ID         : CVE-2019-8942 CVE-2019-9787
Debian Bug     : 924546

Simon Scannell of Ripstech Technologies discovered multiple
vulnerabilities in wordpress, a web blogging manager.


    remote code execution in wordpress because an _wp_attached_file Post
    Meta entry can be changed to an arbitrary string, such as one ending
    with a .jpg?file.php substring. An attacker with author privileges
    can execute arbitrary code by uploading a crafted image containing
    PHP code in the Exif metadata.


    wordpress does not properly filter comment content, leading to
    Remote Code Execution by unauthenticated users in a default
    configuration. This occurs because CSRF protection is mishandled,
    and because Search Engine Optimization of A elements is performed
    incorrectly, leading to XSS. The XSS results in administrative

For Debian 8 "Jessie", these problems have been fixed in version

We recommend that you upgrade your wordpress packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:

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