Smush – Lazy Load Images, Optimize & Compress Images <= 3.0.0 - Authenticated PHAR Deserialization

Deserialization of Untrusted Data
CVE Not available
CVSS High (8.8)
Publicly Published December 10, 2018
Last Updated January 22, 2024
Description

The Smush – Lazy Load Images, Optimize & Compress Images plugin for WordPress is vulnerable to deserialization of untrusted input via the '$log_file' value in versions up to, and including 3.0.0. This makes it possible for authenticated attackers to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.

References

1 affected software package

Software Type Plugin
Software Slug wp-smushit (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 3.0.0
Patched Version
  • 3.0.1
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