Live › vulnerability › CVE-2026-54859
The Preservation WordPress theme (not a plugin), versions 1.15 and earlier, deserializes untrusted data without authentication. Patchstack rates it CVSS 9.8 and says no official patch exists; the exact entry point is not published.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-29 16:25 UTC. All times on this page are UTC.
Sites running the Preservation plugin at version 1.15 or earlier are exposed, since the flaw needs no login. Sites without this plugin, or running a newer version than the affected range, are not affected. The sources do not state a fixed version or a workaround.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| preservation | wordpress-theme | <= 1.15 | – |
No fix yet, per the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Unauthenticated PHP Object Injection in Preservation <= 1.15 versions.
This page as .md · .json · in your agent: get_signal("CVE-2026-54859")
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.