CVE-2026-54859: critical vulnerability in ThemeREX Preservation
WordPress Preservation theme <= 1.15 - PHP Object Injection vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.5%
Unauthenticated PHP Object Injection in Preservation <= 1.15 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
ThemeREX · PreservationRelated CVEs — ThemeREX Preservation
In the same product, most dangerous first.